There is one number that the Environmental Protection Agency relies on to decide which climate policies to pursue. So why does that number assume the lives of richer people are worth more?
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.
Nuclear power is emerging as an answer as states transition away from coal, oil and natural gas to reduce greenhouse gas emissions and stave off climate change.
Carbon offsets got a big boost from November's U.N. climate summit. New rules could make it easier for companies to pay for carbon-cutting projects in other countries, rather than doing it themselves.
A town in northern England wants to open a coking coal mine to create jobs. But while hosting the U.N. climate summit, Prime Minister Boris Johnson is urging countries to slash greenhouse gases.
A system developed in the Netherlands for insulating existing homes has proven to be so cost-effective that it has attracted the attention of New York state, which plans to copy it.
Scientists said the concentration of carbon dioxide, which contributes to climate change, is the highest in data going back 800,000 years, based on ice core records.
Today is Earth Day, an annual celebration of the place we call home. But that home is under threat, as man-made carbon emissions and other pollutions reek havoc with our environment and climate.
The companies face an existential threat as more governments and businesses move to tackle climate change. So a growing number have their own plans to decarbonize, by creating renewable gas.
Scientists say the next decade is crucial for slowing climate change. To catch up, President Biden's environmental policies will have to move faster than any in history.
