Building and operating telescopes can generate a lot of greenhouse gases. In fact, it's as if each astronomer in the world was driving more than 100,000 miles per year, a new study finds.
The U.S. is planning to rapidly reduce greenhouse gas emissions. This is America's return to the international climate stage. We break it down for you.
The U.S. plans to reduce greenhouse gas emissions dramatically in the next decade. Scientists say it's crucial that the U.S. succeed. Still, many of the positive effects won't arrive for decades.
In the search for alternatives to coal and gas, some European countries have turned to a very old fuel. They're importing wood from the United States. Some environmentalists say it makes no sense.
The state of Wyoming, the country's largest coal producer, is the site of the Carbon XPRIZE in which entrepreneurs compete to capture carbon and turn it into commercial products.
William Happer, a Princeton scientist who is doubtful of the dangers of climate change, appears to be leading a White House challenge to the government's conclusion that global warming is a threat.
Our most-read articles gave helpful advice — like how to sit without hurting your back — shocking news and a glimpse of history. And there was one story about — what else? — goats!
The fortuitous dip in emissions of the main greenhouse gas, carbon dioxide, during the past three years is over, as economies turn up. The trend in the near future looks grim, say climate scientists.
Nutrients in crops fall as carbon dioxide rises. People who don't get enough of the right nutrients are more likely to get sick. Researchers have now estimated the effects.
Scientists found that exposing rice to high levels of carbon dioxide causes it to lose valuable nutrients like iron, zinc, and B vitamins. But some varieties are better at resisting than others.
The crash of the space rock that slammed into the Yucatan Peninsula also warmed up the Earth's atmosphere for 100,000 years. And scientists say it's a cautionary tale for people living today.
Since the mid-'90s, levels of crude protein in the plants, which cattle need to grow, have dropped nearly 20 percent, and it may just be a matter of time before prairie grasses can't support grazing.
Seeking to cut greenhouse gas emissions dramatically by 2030, regulators approved a plan that offers incentives for truck and bus fleets to go green and for utilities to use more renewable energy.
Ocean acidification can cause reckless behavior in coral reef fish. But researchers say that coral reef environments have large chemical variations daily, which can offer recovery time for fish.
Two new studies suggest that changing atmospheric conditions could reduce protein and iron in food, leading to more health problems for people in countries where malnutrition is already a problem.
Unfortunately, we are failing in the goal to make our children's world better than our own — and those who deny it won't have to see the consequences of their choices, says blogger Marcelo Gleiser.
Capturing carbon emissions from coal plants would reduce coal's effect on climate change. But high costs and other factors have stymied efforts to use that technology at more U.S. power plants.
New research calculates the greenhouse gas emissions involved in making bread, from wheat field to bakery. The vast majority of emissions come from one step in the process: farming.
Renewable energy is only one of the steps toward achieving the goals set by the Paris climate deal. We take a trip around North America to explore other ways of keeping carbon out of the atmosphere.
Climate scientists say global emissions of carbon dioxide seem to have dipped a bit in 2015, though the world economy is still growing. China's reduced use of coal may be the main reason.
Using farmland to capture carbon rather than release it into the atmosphere is called carbon farming. The idea is taking off and countries and institutions have endorsed a new agenda promoting it.
