User: Genecampaign Topic: Climate Change
Category: Greenhouse Gases
Last updated: Aug 15 2018 11:50 IST RSS 2.0
 
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What caused the rain havoc in Kerala 15.8.2018 Rediff: News
'A lot of unauthorised encroachments have taken place in our forest area.'
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Earth heading towards irreversible 'hothouse' state, finds new study 7.8.2018 DNA: Opinion
Our planet is at the risk of entering an irreversible 'hothouse' condition - where the global temperatures will rise by four to five degrees and sea levels may surge by up to 60 metres higher than today - even if targets under the Paris climate deal are met, a study warns. According to the researchers, keeping global warming to within 1.5-2 degrees Celsius may be more difficult than previously assessed. "Human emissions of greenhouse gas are not the sole determinant of temperature on Earth," said Will Steffen from the Australian National University. "Our study suggests that human-induced global warming of two degrees Celsius may trigger other Earth system processes, often called "feedbacks," that can drive further warming - even if we stop emitting greenhouse gases," said Steffen, lead author of the study published in the journal PNAS. "Avoiding this scenario requires a redirection of human actions from exploitation to stewardship of the Earth system," he said. A team of scientists showed that even if ...
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Decrease in Greenhouse Gas Emissions 3.8.2018 Govt of india: PIB
Emphasising that India's emission intensity of Gross Domestic Product (GDP) has reduced by 12% between 2005 and 2010 (as per India’s first BUR) in line with our voluntary goal of reducing emission intensity of GDP by 20-25% by 2020 over 2005 level, Minister of State for Environment, Forest and Climate Change, Dr. Mahesh Sharma has said that the greenhouse gases (GHG) emission inventory for the country is prepared according to the requirements under the United Nations Framework Convention on Climate Change (UNFCCC).
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Environment & Skill Development Ministries Sign MoU to train one lakh RAC Service Technicians 2.8.2018 Govt of india: PIB
Emphasising that India is being globally lauded for its green initiatives and commitment to environment and climate change, Union Minister for Environment, Forest and Climate Change, Dr. Harsh Vardhan today said that Skill India is an endeavour by the Government to act as a catalyst in bringing about a change by skilling, up-skilling and re-skilling technicians to bring down the emission of harmful greenhouse gases.
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Greenhouse gases surge to new highs worldwide in 2017: US report 1.8.2018 DNA: India
Planet-warming greenhouse gases surged to new highs as abnormally hot temperatures swept the globe and ice melted at record levels in the Arctic last year due to climate change, a major US report said today. The annual State of the Climate Report, compiled by more than 450 scientists from over 60 countries, describes worsening climate conditions worldwide in 2017, the same year that US President Donald Trump pulled out of the landmark Paris climate deal. The United States is the world's second leading polluter after China, but has rolled back environmental safeguards under Trump, who has declared climate change a "Chinese hoax" and exited the Paris deal signed by more than 190 nations as a path toward curbing harmful emissions. The 300-page report issued by the American Meteorological Society and the National Oceanic and Atmospheric Administration mentioned the word "abnormal" a dozen times, referring to storms, droughts, scorching temperatures and record low ice cover in the Arctic. Last year, the top ...
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Rise in Sea Level 20.7.2018 Govt of india: PIB
“According to the fifth Assessment Report of Intergovernmental Panel on Climate Change, the global mean rate of sea level rise was 1.7 mm per year between 1901 and 2010. As per the studies carried out by Indian National Centre for Ocean Information Services (INCOIS), the sea levels are changing at different rates along the Indian coast.
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Dr. Harsh Vardhan Inaugurates 16th Workshop On Greenhouse Gas Inventories in Asia 11.7.2018 Govt of india: PIB
Applauding the long-standing effort in creating a network of Asian countries on GHG inventory by Government of Japan, Union Minister of Environment, Forest & Climate Change, Dr. Harsh Vardhan has said that for India, action on climate change is a moral and ethical responsibility and India is working under the dynamic leadership of the Prime Minister, Shri Narendra Modi, to achieve its obligations as per Common but Differentiated Responsibilities (CBDR) principles.
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Earth may get twice as hot as predicted 10.7.2018 DNA: Mumbai
The Earth may end up being twice as warm as projected by climate models, even if the world meets the target of limiting global warming to under two degrees Celsius, a study has found. The study, published in the journal Nature Geoscience, showed that sea levels may rise six metres or more even if Paris climate goals are met. The findings are based on observational evidence from three warm periods over the past 3.5 million years when the world was 0.5-2 degree Celsius warmer than the pre-industrial temperatures of the 19th Century. The research also revealed how large areas of the polar ice caps could collapse and significant changes to ecosystems could see the Sahara Desert become green and the edges of tropical forests turn into fire dominated savanna. "Observations of past warming periods suggest that a number of amplifying mechanisms, which are poorly represented in climate models, increase long-term warming beyond  climate model projections," said Hubertus Fischer from the University of Bern in ...
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The world's first animals caused global warming, claims new study 2.7.2018 DNA: India
The evolution of the Earth's first animals more than 500 million years ago caused global warming, according to a study. The research, published in the journal Nature Communications, found that 520-540 million years ago, animal life evolved in the ocean and began breaking down organic material on the seafloor, leading to more carbon dioxide and less oxygen in the atmosphere. In the 100 million years that followed, conditions for these earliest animals became much harsher, as ocean oxygen levels fell and carbon dioxide caused global warming, researchers said. "Like worms in a garden, tiny creatures on the seabed disturb, mix and recycle dead organic material - a process known as bioturbation," said Tim Lenton, a professor at the University of Exeter in the UK. "Because the effect of animals burrowing is so big, you would expect to see big changes in the environment when the whole ocean floor changes from an undisturbed state to a bioturbated state," said Lenton. "We did indeed see a decrease in oxygen ...
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Volcanic eruptions and declining oxygen levels killing marine life 12.6.2018 DNA: Wide Angle
The very recent volcanic eruptions in Guatemala and Hawaii have left the world in a state of shock with their ensuing devastation. However, the concern is emerging as more of a global concern. According to a study conducted by the Florida State University, global climate change, fueled by skyrocketing levels of atmospheric carbon dioxide, is siphoning oxygen from today's oceans at an alarming pace - so fast that scientists aren't entirely sure how the planet will respond. Their only hint is to look to the past. In a study, researchers did just that - and what they found brought into stark relief the disastrous effects a deoxygenated ocean could have on marine life. Millions of years ago, scientists discovered, powerful volcanoes pumped Earth's atmosphere full of carbon dioxide, draining the oceans of oxygen and driving a mass extinction of marine organisms. "We want to understand how volcanism, which can be related to modern anthropogenic carbon dioxide release, manifests itself in ocean chemistry and ...
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Older Amazonian forests help regulate global climate 4.6.2018 DNA: Top News
Turns out, tall and older Amazonian forests help in regulating global climate system. According to a research conducted by the Columbia University School of Engineering and Applied Science, photosynthesis in tall Amazonian forests - forests above 30m - is three times less sensitive to precipitation variability than in shorter forests of less than 20m. Tropical rainforests play a critical role in regulating the global climate system - they represent the Earth's largest terrestrial CO2 sink. Because of its broad geographical expanse and year-long productivity, the Amazon is the key to the global carbon and hydrological cycles. Climate change could threaten the fate of rainforests, but there is great uncertainty about the future ability of rainforests to store carbon. While severe droughts have occurred in recent years in the Amazon watershed, causing widespread tree mortality and affecting the forests' ability to store carbon, the drivers of tropical rainforests' sensitivity to drought are poorly ...
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Why Green Buildings are an Imperative and not a choice 4.6.2018 Sify Finance
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Cleanliness the best way to promote hygiene and disease prevention, also creates a sense of social well-being and good mental health: Vice President 17.5.2018 Govt of india: PIB
The Vice President of India, Shri M. Venkaiah Naidu has said that cleanliness ensures hygiene and disease prevention and it also creates a sense of social well-being and good mental health. He was addressing the gathering after releasing two books - ‘A Treatise on Cleanliness’ and ‘Waste Management, an Introduction’, authored by Shri Rajat Bhargava, here today.
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Britain's strategy to meet climate change targets not sufficient, say lawmakers 16.5.2018 DNA: Money
The British government's Clean Growth Strategy to reduce greenhouse gas emissions will not be enough to meet legally binding climate change targets, a committee of cross-party lawmakers said on Wednesday. The strategy, launched last year, outlines investment in research and innovation to help reduce emissions which lead to global warming. Britain has committed to cut emissions by 80 percent by 2050 compared to 1990 levels and must produce proposals on how to reach its climate targets as part of carbon budgets set every five years. Although the amount of electricity generated from low-carbon energy doubled to a record 50 percent last year from 2009, there are signs that investment might have stalled in the past two years, the Environmental Audit Committee said in a report. Annual clean energy investment in Britain is now at its lowest level since 2008, threatening the country's ability to meet its carbon budgets from 2023. The report also said that changes to low-carbon energy policies in 2015 has ...
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The human price of climate change 14.5.2018 Rediff: Top Stories (India)
What are the most worrisome aspects of climate change for India?Can they be solved?
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White House 'quietly killed' NASA program on greenhouse gas: Report 11.5.2018 DNA: India
The White House has "quietly killed" a USD 10-million per year NASA program that tracks carbon and methane, key greenhouse gases that contribute to global warming, the journal Science said. NASA's Carbon Monitoring System (CMS) tracked sources and sinks for carbon and made high-resolution models of the planet's flows of carbon, said the report. "Now, President Donald Trump's administration has quietly killed the CMS," it said, describing the move as the latest in a "broad attack on climate science" mounted by the White House. The journal said NASA "declined to provide a reason for the cancellation beyond 'budget constraints and higher priorities within the science budget.'" It also quoted US space agency spokesman Steve Cole as saying there was no mention of the CMS in a budget deal signed in March, which "allowed the administration's move to take effect." Cole, responding to a request for comment from AFP, said Trump proposed cutting the CMS project and four Earth science missions last year. After much ...
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Cleaner Cooking Fuel for 300 Million by 2021 - Randeep Agarwal 23.4.2018 Sify Finance
[India], Apr 23 (NewsVoir): Globally, there are approximately 1.4 billion people without access to electricity and 2.7 billion people who rely on solid fuel (wood, crop residue, dung and coal) for
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New source of global nitrogen discovered 9.4.2018 DNA: Opinion
Over a quarter of nitrogen on Earth comes from the planet's bedrock, according to a study that could greatly improve climate change projections. For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. The study, published in the journal Science, found that up to 26 per cent of the nitrogen in natural ecosystems is sourced from rocks, with the remaining fraction from the atmosphere. Before this study by researchers at the University of California - Davis in the US, the input of this nitrogen to the global land system was unknown. The discovery could greatly improve climate change projections, which rely on understanding the carbon cycle. This newly identified source of nitrogen could also feed the carbon cycle on land, allowing ecosystems to pull more emissions out of the atmosphere, the researchers said. "Our study shows that nitrogen weathering is a globally significant source of nutrition to soils and ecosystems worldwide," ...
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US on track to meet climate targets despite Donald Trump pulling out of accord: UN chief 30.3.2018 DNA: Mumbai
The United States is on track to meet the targets of the Paris climate agreement despite President Donald Trump's plan to withdraw from the accord, UN Secretary-General Antonio Guterres said today. Guterres said emissions-cutting plans put in motion by American businesses, regional governments and cities meant that the goals set by the former US administration which signed the deal in 2016 were within reach. "We have seen in the cities, and we have seen in many states, a very strong commitment to the Paris agreement, to the extent that some indicators are moving even better than in the recent past," Guterres told reporters at UN headquarters in New York. "There are expectations that, independently of the position of the administration, the US might be able to meet the commitments made in Paris as a country." Under the deal, the administration of former president Barack Obama pledged to cut domestic greenhouse gas emissions 26 to 28 percent below 2005 levels by 2025. Nearly 200 countries and parties have ...
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World glacier melting passes point of no return: Study 21.3.2018 DNA: Wide Angle
The further melting of glaciers worldwide cannot be prevented in the current century - even if all the emissions are curtailed, a study has found. However, due to the slow reaction of glaciers to climate change, human activity will have a massive impact beyond the 21st century, according to the study published in the journal Nature Climate Change. In the long run, 500 metres by car with a mid-range vehicle will cost one kilogramme of glacier ice, researchers said. In the Paris Agreement, 195 member states of the United Nations Framework Convention on Climate Change agreed to limit the rise in global average temperature to significantly below two degrees Celsius. Researchers at The University of Bremen in Germany and the University of Innsbruck in Austria calculated the effects of compliance with these climate goals on the progressive melting of glaciers. "Melting glaciers have a huge influence on the development of sea level rise," said Georg Kaser from the University of Innsbruck. "In our calculations, ...
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