Carbon Dioxide

Renewables 2024 global status report: global overview

This overview sets the scene for the various modules in the Renewables 2024 Global Status Report Collection. It provides high-level trends on the status of renewables in the wider fossil fuel-dominated energy system in the context of global challenges such as climate change, development goals and the geopolitical landscape. Urgent …

Plants' future water use affects long-term drought estimates

As humans pump carbon dioxide into the atmosphere and global temperatures rise, many questions loom. One major issue is how much fresh water will be available for people, forests and agriculture. A study led by the University of Washington shows that popular long-term drought estimates have a major flaw: They …

Plant responses to increasing CO2 reduce estimates of climate impacts on drought severity

We show that the water savings that plants experience under high CO2 conditions compensate for much of the effect of warmer temperatures, keeping the amount of water on land, on average, higher than we would predict with common drought metrics, and with a different spatial pattern. The implications of plants …

Big fight over flight emission norms

India is likely to join forces with China to lobby for changes - and even partially block - in a UN-brokered global deal to freeze carbon emissions by the aviation industry at 2020 levels. The United Nations' International Civil Aviation Organisation (ICAO) will meet next month to finalise the deal …

Producing ink out of thin air: Indian firm recycles polluted air into ink and paint

Now, instead of painting the skies black, pollution can be used to create art, thanks to this unique innovation by Graviky Labs. No, it isn’t some mysterious act of alchemy. It is, in fact, a miracle of science and creative thinking. When MIT researcher Anirudh Sharma was travelling in a …

Wood fuel plan to cut plane CO2 branded as 'pipe dream'

Isobutanol is more powerful than ethanol and has now been approved for use in aircraft fuel blends Plans to cut airline CO2 using greener jet fuels made from waste wood have been dismissed as a "pipe dream" by environmentalists. Several high octane, waste-based biofuels are being tested by airlines as …

Order of the Federal Court of Australia regarding approval of Adani Carmichael coal mine project, 29/08/2016

Order of the Federal Court of Australia in the matter of Australian Conservation Foundation Incorporated Vs Minister for the Environment regarding approval of Adani Carmichael coal mine project dated 29/08/2016. The applicant (Australian Conservation Foundation Incorporated) had opposed the proposed construction of a new open-cut and underground coal mine at …

Climate change: Trade liberalization could buffer economic losses in agriculture

Global warming could create substantial economic damage in agriculture, a new study conducted by a team of scientists of the Potsdam Institute for Climate Impact Research (PIK) finds. Around the globe, climate change threatens agricultural productivity, forcing up food prices. While financial gains and losses differ between consumers and producers …

SC dictat: ADA all set to reduce pollution near Taj

AGRA: Following the Supreme Court's direction to reduce pollution near Taj Mahal, the Agra authorities have finalized a plan to promote electric crematorium, besides installing a 'green' system to reduce discharge of carbon particles while burning of body through traditional method at Moksha Dham, located adjacent to Taj Mahal. A …

Sowing palm seeds to replenish falling numbers

TRICHY: The palm tree, known for its usefulness from top to bottom, is rapidly diminishing in numbers. Once thousands of people survived on the produce of this tree. To safeguard the trees and maintain diversity, a group of people in the city have started to sow palm seeds along the …

Letter signed by 154 Australian experts demands climate policy match the science

More than 150 Australian experts have signed on open letter to the prime minister, Malcolm Turnbull, demanding urgent action on climate change that matches the dire warnings coming from climate scientists. The letter, organised by the Australian National University climatologist Andrew Glikson, calls on the federal government to make “meaningful …

Transportation Now Largest Contributor To Carbon Emissions In USA, For 1st Time In 40 Years

After 40 or so years away from the “gold medal” position, the US transportation sector has once again emerged to claim the mantle of being the top contributor of carbon emissions in the country, according to a new report from the US Public Interest Research Group (US PIRG). What this …

Green light: USU biochemists describe light-driven conversion of greenhouse gas to fuel

By way of a light-driven bacterium, Utah State University biochemists are a step closer to cleanly converting harmful carbon dioxide emissions from fossil fuel combustion into usable fuels. Using the phototropic bacterium Rhodopseudomonas palustris as a biocatalyst, the scientists generated methane from carbon dioxide in one enzymatic step. "It's a …

Climate change: Trade liberalization could buffer economic losses in agriculture

Global warming could create substantial economic damage in agriculture, a new study conducted by a team of scientists of the Potsdam Institute for Climate Impact Research finds. Around the globe, climate change threatens agricultural productivity, forcing up food prices. While financial gains and losses differ between consumers and producers across …

Climate impacts in the Sahel and West Africa: the role of climate science in policy making

Given that the population of the Sahel depends largely on rain-fed agriculture and transhumant livestock rearing, there is a growing concern about the future climate of the region as global warming may alter the availability of water resources. The lack of consensus on climate projections for West Africa results partly …

The impact of high-end climate change on agricultural welfare

Climate change threatens agricultural productivity worldwide, resulting in higher food prices. Associated economic gains and losses differ not only by region but also between producers and consumers and are affected by market dynamics. On the basis of an impact modeling chain, starting with 19 different climate projections that drive plant …

Global warming means smoggier autumns in US Southeast: Study

The drier, warmer autumn weather that's becoming more common due to climate change may extend summer smog well into the fall in the Southeastern US in the years ahead, according to a study published on Monday. Research published in the Proceedings of the National Academy of Sciences also suggests a …

IIT-G to study toxic cocktail emitted by vehicles

GUWAHATI: For the first time in the city, a project has been initiated to study the emission of black carbon particles by vehicles and their impact on public health and the local environment. Black carbon is the most strongly light-absorbing component of particulate matter (PM), and is formed by the …

California moves to extend climate program despite weak auction results

The California Assembly on Tuesday passed a bill to extend the state's ambitious program to fight climate change beyond 2020, but minutes later it posted disappointing results from an auction of carbon permits that is key to the plan. California's program to cap emissions and trade carbon permits is a …

Investors urge G20 nations to ratify Paris climate deal this year

Investors managing more than $13 trillion (9.8 trillion pounds) of assets urged leaders of the Group of 20 on Wednesday to ratify a global climate deal by the end of 2016 and to step up efforts to shift from fossil fuels. A total of 130 investors, grouped in six coalitions, …

Inside Shanghai Tower: China's tallest skyscraper claims to be world's greenest

The Shanghai Tower is another in a long list of ambitious skyscrapers competing fiercely for sustainability credentials as well as height. But how ‘green’ are these buildings – and is environmentalism really the motivation? Twisting high above Shanghai’s financial district, China’s tallest tower – and the second tallest in the …

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