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 …

Supreme Court Ruling Backs Most EPA Emission Controls

The Environmental Protection Agency can require greenhouse-gas controls on power plants and other large stationary sources of pollution, the Supreme Court ruled Monday, but it said the agency went too far in claiming power to regulate smaller emitters. In a divided opinion, the Supreme Court allowed the Environmental Protection Agency …

Australian PM introduces bill to repeal carbon tax

Prime Minister Tony Abbott reintroduced legislation to the Australian Parliament on Monday that would repeal a carbon tax that the nation’s worst greenhouse gas polluters have to pay. The opposition center-left Labor Party and minor Greens party used their Senate majority in March to block the bills that would remove …

Proterozoic oxygen rise linked to shifting balance between seafloor and terrestrial weathering

The researchers investigate the balance between two mechanisms that remove carbon from the atmosphere and oceans over long timescales—weathering of terrestrial silicates and alteration of the ocean floor. We show that this balance should strongly influence atmospheric oxygen concentration, since it dictates the delivery rate of the ultimate limiting nutrient …

Driving cleaner - More electric vehicles mean less pollution

With nearly 220,000 electric vehicles on U.S. roads, politicians and clean energy advocates believe it’s time to charge ahead further. Environment America‘s study, Driving Cleaner: More Electric Vehicles Mean Less Pollution, proves the point of its title while showing why things should get even better under the Clean Power Plan …

Australians unhappy over Coalition's response to climate challenge

The Australian public is deeply unhappy over the government’s response to the challenge of climate change, amid a revival in support for climate science and a strengthening belief that Australia is already feeling the impact of a warming planet, according to new polling. The Climate of the Nation poll, conducted …

Rajapalayam all set to produce green power

VIRUDHUNAGAR: Work is on full swing in Rajapalayam municipality of Virudhunagar district for the fabrication of digester to convert biodegradable waste into electricity. The project, which is believed to be the first in the southern districts, is expected to produce 40 kW of power from next month. The Tamil Nadu …

Former US EPA chiefs say it's time to act on climate change

Four administrators of the US Environmental Protection Agency who served under Republican presidents told a Senate panel Wednesday that climate change is real and the federal government has the responsibility and the legal authority to combat it. While saying they might differ on the details of how U.S. officials should …

Maruti Suzuki commissions Rs 10-cr PV solar power plant at Manesar

The plant will help the car maker to reduce 1,200 tonnes/annum CO2 emissions Aligning itself to the Government’s vision of adopting and strengthening usage of solar power, car market leader Maruti Suzuki India Limited has commissioned its 1-MW mono-crystalline photovoltaic solar power plant at its Manesar facility. Built with an …

Chongqing launches carbon trading market

CHONGQING - Southwest China's Chongqing Municipality launched its carbon trading market on Thursday, marking the operation of all seven approved pilot trading programs in the country. Chongqing launches carbon trading market. China starts carbon trading in Shenzhen Future points to carbon trading Sixteen transactions worth more than 4.45 million yuan …

Report: Energy costs to hit $5.7t

China could invest as much as $5.7 trillion by 2035 to find, produce and save energy, accounting for 15 percent of global spending in the sector, a report from the International Energy Agency said on Thursday. Fatih Birol, chief economist of the Paris-based IEA, told a workshop on the report …

May 2014 was world's hottest May in recorded history

According to new data released this week, May 2014 is officially the warmest May in recorded history. Both NASA and the Japan Meteorological Agency have tentatively ranked May at the top of historical measurements, though NASA's numbers are preliminary because crucial information is still missing from China. Gavin Schmidt, the …

Gore Predicts Obama Will Reject TransCanada’s Keystone XL

Al Gore, who has called the Keystone XL project “ridiculous” and an “atrocity,” said he thinks President Barack Obama will reject the controversial pipeline between Alberta’s oil sands and U.S. Gulf Coast refineries. Former Vice President Gore, who shared a Nobel Peace Prize for advocating action on climate change, wrote …

Could re-routing flights reduce climate change? Avoiding certain areas and weather conditions may help prevent global warming

The aviation industry is under pressure to reduce the amount of carbon dioxide its aeroplanes emit. And now a team of scientists has found that aircraft can become more environmentally friendly by choosing flight paths that reduce the formation of their distinctive condensation trails. Researchers have shown that planes contribute …

Berkeley May Put Climate Change Warnings On Gas Pumps

Drivers in Berkeley, California may soon get a stern warning about the impact of carbon emissions on the environment every time they fill up at the gas pump. As the Los Angeles Times reported Tuesday, officials in the famously progressive city will consider a proposal to require gas stations to …

China to launch final CO2 exchange, national scheme uncertain

China launches its seventh and final pilot carbon market in the sprawling city of Chongqing on Thursday, but plans to set up a national trading scheme within three years remain shrouded in uncertainty in the world's top emitter of greenhouse gases. China has pledged that by 2020 it will reduce …

MoEF officials give nod to carbon-trading deal with Japan without political clearance

Move is in stark contrast to India's stated position on the matter; such a pact would allow Japan to outsource its emission reduction efforts to India Ministry of Environment & Forests (MoEF) officials have agreed in-principle to a bilateral carbon-trading climate change deal with Japan without a formal approval from …

Tourism threatened by climate change as ski slopes thaw, seas rise

Climate change is a growing threat to tourism, from thawing ski resorts to coral reefs hit by warmer seas, and the industry itself should do more to curb its soaring greenhouse gas emissions, a new study shows. Tourism's greenhouse gas emissions, on current rising trends buoyed by ever more travel, …

Land Securities on target with CO2 reductions despite 'broadly static position'

Land Securities has achieved a 16% reduction in like-for-like carbon emissions since 2011 - despite a 7% increase in emissions from its London portfolio - keeping the property firm on track to meet its overall target of a 15% overall reduction by 2020. According to the company's 2014 Corporate Responsibility …

Obama Carbon Rule Backed by Most Americans — WSJ/NBC Poll

More than two-thirds of Americans support President Barack Obama’s new climate rule and more than half say the U.S. should address global warming even if it means higher electricity bills, according to a new Wall Street Journal/NBC News poll. Widespread support for the carbon rule, unveiled by the Environmental Protection …

A simple framework for assessing the trade-off between the climate impact of aviation carbon dioxide emissions and contrails for a single flight

Persistent contrails are an important climate impact of aviation which could potentially be reduced by re-routing aircraft to avoid contrailing; however this generally increases both the flight length and its corresponding CO$_{2}$ emissions. Here, we provide a simple framework to assess the trade-off between the climate impact of CO2 emissions …

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