carbon dioxide

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20 Companies Have a Dirty Secret

The Climate Accountability Institute says they're responsible for 35% of emissions

(Newser) - Fossil fuel companies emit greenhouse gases—we know. But a new analysis says 20 such companies are responsible for over a third of all greenhouse gas emissions since 1965, the Guardian reports. Conducted by Richard Heede, an authority at the Climate Accountability Institute, the study says 20 companies have released... More »

It Turns Out Peat Is Way, Way More Important Than You Knew

If peatlands burn, the planet will suffer greatly

(Newser) - If you've never thought much about peat, that's understandable. An accumulation of partially decayed vegetation that can develop into a material more than 20 feet deep, peat covers just 3% of the Earth. But a lengthy article from National Geographic makes clear it's a powerhouse thanks to... More »

What's a Whale Worth? More Than You Might Think

Team of economists with the IMF do the math

(Newser) - Whales are actually cash cows, or so suggest economists with the International Monetary Fund. A team helmed by Ralph Chami took a look at the economic benefit provided by whales when it comes to carbon sequestration and ecotourism and arrived at a big figure: $2 million apiece. Their analysis hasn'... More »

'Mind-Blowing' Fix for Climate Change: Billions of Trees

Scientists say a massive tree-planting initiative might be most efficient way to stop global warming

(Newser) - There are 3 trillion trees on Earth, but adding between 500 billion and 1.5 trillion more could help solve a big crisis on the horizon. New research in the journal Science proposes fighting climate change by planting enough new trees to cover 3.5 million square miles of land,... More »

Greenhouse Gas Levels Haven't Been This Bad in 3M Years

Researcher says the gravity has 'not sunk in'

(Newser) - Congratulations, you've lived to see a planet transformed back to the Pliocene Epoch , at least in terms of greenhouse gas levels. "The window of opportunity for action is almost closed," says the UN's World Meteorological Organization after its annual assessment found concentrations of carbon dioxide in... More »

White House Takes Third Step to Ease Greenhouse Gas Rules

Administration plans to weaken restrictions on the release of methane gas

(Newser) - The Trump White House thinks the previous administration went overboard on rules about greenhouse gases, and it's about to make its third big move to correct that. After earlier moves on carbon dioxide pollution from autos and coal plants , this time it's all about methane, reports the New ... More »

EPA: New Rule May Result in More Premature Deaths

'New York Times' looks into the fine print of new coal pollution rules

(Newser) - President Trump visits West Virginia Tuesday, and it's a safe bet he'll be trumpeting the proposal his administration just unveiled to ease up on coal plants. The Affordable Clean Energy Rule would roll back an Obama-era plan on emissions deemed too heavy-handed by the Trump administration, reports the... More »

Gods Didn't Kill Animals in 'Gate to Hell'—Gas Did

Carbon dioxide is the key, researchers say of legendary Turkish cave

(Newser) - Centuries ago, bulls, rams, and other animals led into an ancient cave for religious ceremonies died of seemingly mystical causes, while the priests accompanying them suffered no such fate. Scientists say they've now figured out the secret behind this "Gate to Hell" in the ancient city of Hierapolis,... More »

Scientists Explain 'Scratch Marks' on Mars

Levitating dry ice causes deep gullies: scientists

(Newser) - No, a giant cat has not been clawing at the surface of Mars, though it might look like that. According to scientists, "scratch marks" or linear gullies on the Martian plains of Hellas Planitia were caused not by life forms but by dry ice—in fact, levitating dry ice.... More »

EPA Chief: Carbon Dioxide Not Primary Cause of Global Warming

Scott Pruitt's view is at odds with mainstream climate science

(Newser) - The new chief of the Environmental Protection Agency said Thursday he does not believe that carbon dioxide is a primary contributor to global warming, a statement at odds with mainstream scientific consensus and his own agency. EPA Administrator Scott Pruitt said measuring the effect of human activity on the climate... More »

Scientists Pump CO2 Into the Earth, Turn It Into Stone

They managed to convert 95% of the CO2 in just 2 years

(Newser) - Here's an idea for dealing with carbon dioxide: Turn it into stone. Scientists in Iceland say they have managed the feat at the world's largest geothermal power plant, an accomplishment the Guardian says could have big implications for climate change. As they explain in Science , researchers with the... More »

The Planet Is Getting Greener Thanks to Pollution

But that doesn't mean global warming is a good thing

(Newser) - Dozens of scientists were shocked to find a dramatic increase in plant life around the world over the past 33 years instead of the global-warming-related "browning" they expected to find in their analysis of satellite data, Australia's ABC reports. According to a press release , a study published Monday... More »

Climate Change Hits 'New Milestone'

Temperatures and greenhouse-gas levels hit new highs

(Newser) - This year is on track to be a record 1 degree Celsius (1.8 degrees Fahrenheit) hotter than the 19th-century average, hitting a symbolic milestone in the temperature rise that scientists blame mostly on human activities, Britain's weather service said Monday. To measure global warming, scientists compare today's... More »

Town Hit by Sleeping Illness Gets Answer, No Resolution

A nearby uranium mine may be the culprit, but how?

(Newser) - The mysterious sleeping sickness that has befallen dozens of villagers in a remote region of Kazakhstan continues to befuddle scientists. Following reports of victims passing out in schools, at home, and even on a motorcycle, and sometimes failing to snap out of it for days at a time, scientists descended... More »

Scientist: Exxon Knew of Climate Change in 1981, Lied

'Guardian' explores explosive claims in newly uncovered email

(Newser) - Exxon was ahead of the game on climate change. According to Lenny Bernstein, who spent 20 years there as a climate expert, the company knew about the link between fossil fuels and climate change in 1981—seven years before the issue truly became public. But for the next 27 years,... More »

Scientists Argue That 'Age of Man' Began in 1610

We are in the midst of a new geologic time period, but when exactly did it begin?

(Newser) - It may have been more than a century after Columbus sailed the ocean blue, but some scientists are arguing that 1610 marks a "golden spike" in the geologic record that kickstarted what is being called the Anthropocene era, or "Age of Man," and that this spike is... More »

Humans Push Earth Past 4 of 9 Danger Zones

Team of researchers sounds a warning

(Newser) - Be warned humans, five more strikes and you might be looking for a new planet to call home. A team of scientists that once laid out nine "planetary boundaries" that should not be crossed says humans have managed to cross four of them already, reports Reuters . The bad grades... More »

Lost Weight Lately? You Breathed It Out

Most fat is exhaled as carbon dioxide, and a new study quantifies it

(Newser) - Where does your body fat go when you lose it? "Into thin air," quite literally, says Ruben Meerman. A new study out of Australia looks at how we shed pounds and the "surprising ignorance" around the process. Contrary to commonly assumed mechanisms—that excess fat is converted... More »

Plants Suck Up More CO2 Than Thought

Finding makes climate fight 'slightly easier,' experts say

(Newser) - Some rare good news in the fight against climate change: Plants are an even greater ally than we knew, absorbing around 16% more carbon than previously thought, according to new research. University of Texas researchers took a fresh look at climate models and at how CO2 is absorbed by plants,... More »

2013 Saw Fastest Spike in CO2 Levels Since 1984

Greenhouse gases hit record highs: World Meteorological Organization

(Newser) - Greenhouse gases rose to record levels last year, according to a new report by the World Meteorological Organization, making a worldwide climate treaty more critical now than ever. Concentrations of carbon dioxide in particular peaked at 396 parts per million, the BBC reports—3ppm over the previous year, in the... More »

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