Ecology

Bigger storms ahead

For the past 40 years – as far back as satellite records show – the frequency and intensity of tropical cyclones has remained relatively stable – about 90 of these storms spin through the world each year, and over the decades, cyclones’ average intensity and maximum wind speed have also remained consistent. These storms may […]

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Iron from melting ice sheets may help buffer global warming

A newly-discovered source of oceanic bio-available iron could have a major impact on our understanding of marine food chains and global warming. A UK team, including researchers from the University of Bristol, has found that summer melt-waters from ice sheets are rich in iron, which will have important implications on phytoplankton growth. Their findings are […]

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Climate disputes have little effect on the public, says study

Researchers have tracked how media coverage can affect levels of public interest in climate science by comparing volumes of searches for climate change issues on Google’s search engine.They analysed data available on Google Trends between 2004 and 2013, looking in particular at the period around ‘climategate’ and the discovery of an error in the IPCC […]

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Reducing emissions will be the primary way to fight climate change: study news

Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in the earth’s atmosphere or seeding clouds to reduce the amount of light entering earth’s atmosphere. Those approaches to climate engineering aren’t likely to be effective or practical in slowing global warming.A new report by professors from University of California […]

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Modern humans born from climate change: study

Early human evolution was driven by short pulses of rapid environmental change in East Africa, according to new research from academics at UCL and The University of Manchester. The study, which is published in the journal PLoS ONE, has shown for the first time the link between the waxing and waning of huge lakes in […]

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Global warming: govt to set up National Institute of Himalayan Glaciology

In a move that is being seen as a significant snub to IPCC and its chief Dr R K Pachauri, the government has announced it would set up a new body to monitor the effects of global warming as it could not rely on the UN’s Intergovernmental Panel on Climate Change (IPCC).The IPCC and its […]

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Carbon capture and storage likely to cause earthquakes

Carbon capture and storage, or CCS, is a major component of the world’s greenhouse gas reduction strategy. Involving injecting and storing carbon dioxidein underground geologic reservoirs, the method is used at several oil and gas exploration sites worldwide to prevent the gases from entering the atmosphere. But to significantly reduce emissions, CCS would need to […]

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Deforestation of sandy soils a greater threat to climate change

Deforestation may have far greater consequences for climate change in some soils than in others, according to new research led by Yale University scientists – a finding that could provide critical insights into which ecosystems must be managed with extra care because they are vulnerable to biodiversity loss and which ecosystems are more resilient to […]

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Multiple metrics of climate change reveal unappreciated impacts on biodiversity

Scientists use climate change metrics, such as changes in seasonality or the emergence of new climates, to predict how climate change will impact biodiversity levels. These climate change metrics are typically studied in isolation, so it is difficult to accurately predict how changes in climate might impact levels of biodiversity. For the very first time, […]

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Stanford University pledges divestment from coal companies

Stanford University, yesterday became the wealthiest US university to pledge divestment from coal companies. The Stanford Board of Trustees decided to bar direct investments of endowment funds in publicly traded coal companies, according to a press release.While other universities had taken similar action already, with Stanford’s $18.7- billion endowment, the university becomes the largest institution […]

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Promising solution to plastic pollution: bioplastic made from shrimp shells

For many people, ”plastic” is a one-word analog for environmental disaster. It is made from precious petroleum, after all, and once discarded in landfills and oceans, it takes centuries to degrade. Then came apparent salvation: ”bioplastics,” durable substances made from renewable cellulose, a plant-based polysaccharide. But problems remained. For one, the current bioplastics do not […]

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New study links heart diseases directly with air pollution

It has long been known that air pollution causes serious health problems; but a new epidemiologic study published in the medical journal Heart shows a new link between particulate matter in the atmosphere and heart diseases, like irregular heartbeat and lung blood clots.Last year a WHO study reported air pollution killed around 7 million people […]

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Searing heat wave leads to deadly ozone pollution, says latest CSE analysis

Delhi has witnessed significant ozone build-up this summer, shows a latest analysis done by Centre for Science and Environment (CSE).A study of the real-time air quality data available from the key monitoring locations of the Delhi Pollution Control Committee (DPCC) for the period January to early June 2014, shows rapid build-up of ozone and more […]

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11 Asian governments pledge to save the ”Ghost of the Mountain”

The Kyrgyz Republic and representatives from 11 Central and South Asian countries made a historic pledge to protect and conserve snow leopards and their habitat in the high-mountain landscapes of Asia.Joined by conservation experts from around the world and the international donor community, the 12 nations endorsed the Bishkek Declaration on Snow Leopard Conservation and […]

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World ocean systems undermined by climate change by 2100

Scientists warn against the high risk of degradation of marine ecosystems and associated human hardshipsDeep ocean coral such as this Anthomastus reef off Eel River, California, represent the type of organisms that can survive in low oxygen conditions and may become prevalent as ocean oxygen declines due to climate change.An ambitious new study that includes […]

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China worried as smog virtually shuts down major city

Choking smog all but shut down one of northeastern China’s largest cities on Monday, in a harbinger of what could happen in other developing countries like India with a single-minded focus on industrial growth.The smog in the city of Harbin, the capital and largest city of Heilongjiang province in China’s northeast region, as well as […]

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India calls for public funding of $15-bn global climate fund

India has called for majority funding of the proposed $15-billion Green Climate Fund by public financing in grant terms even as several countries are emphasising private sector investment and climate investment as panacea for all ills. Prakash Javadkar said at a meeting of the Major Economies Forum (MEF), a meeting of 17 major economies,  in […]

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Air pollution killing 3.3 mn people a year study

Air contaminated with pollutants such as ozone and tiny particles could cause the premature death of about 6.6 million people a year by 2050 if nothing is done to improve air quality, scientists warned on Wednesday.In a study published in the journal Nature, they found that outdoor air pollution already kills about 3. 3 million […]

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How clouds get their brightness

How clouds form and how they help set the temperature of the earth are two of the big remaining questions in climate research. Now, a study of clouds over the world’s remotest ocean shows that ocean life is responsible for up to half the cloud droplets that pop in and out of existence during summer.”It […]

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Discovery provides insights on how plants respond to elevated CO2 Levels

Biologists at University of California, San Diego (UC San Diego) have solved a long-standing mystery concerning the way plants reduce the numbers of their breathing pores in response to rising carbon dioxide levels in the atmosphere. In a paper published in this week’s early online edition of Nature, they report the discovery of a new […]

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Modern humans born from climate change: study new

Early human evolution was driven by short pulses of rapid environmental change in East Africa, according to new research from academics at UCL and The University of Manchester.The study, which is published in the journal PLoS ONE, has shown for the first time the link between the waxing and waning of huge lakes in the […]

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End of the climate-change bubble?

Going by the evidence we have, it appears that the fascinating Climate Change bubble is on its last legs and a burst is imminent. That will bring back the scientific rigour and discipline that is now missing in climate research. By Shivshanker VermaWe live in the age of bubbles. Financial and economic bubbles have become so […]

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