UN says Greenhouse gas levels hit a new record, cuts fall short
The U.N. weather agency says greenhouse gas concentrations hit a new record high last year and increased at a faster rate than the annual average for the last decade.
Watch 8:06
Greener skies: How sustainable aviation fuel could help stem airplane emissions
Air travel is picking up steadily as more Americans get vaccinated. While that's good news for the industry, it's bad news for climate change prevention efforts. Miles O'Brien looks at efforts to reduce airplane emissions and help airlines fly greener…
Watch 6:06
Why a ‘feverish’ Arctic will affect everyone on the globe
A historic heat wave is occurring in the Arctic, already the fastest-warming place on Earth due to the increasing accumulation of greenhouse gases. Dr. Merritt Turetsky, director of the Institute of Arctic and Alpine Research at the University of Colorado…
Watch 5:26
This super strong concrete could repair aging bridges. Here’s what’s standing in the way
There's a dire need to repair aging infrastructure in the U.S., and an innovative building material could be a game changer. Embedded with steel fibers, ultra-high performance concrete is about five to 10 times stronger than standard concrete -- and…
Data published Tuesday showed declines in rich countries balancing out a rise in poor nations.
Countries need to begin making steep cuts to their greenhouse gas emissions immediately, or risk missing agreed targets for limiting global warming, the United Nations has said.
The Intergovernmental Panel on Climate Change is warning of a devastating global feedback loop around how humans produce and consume food. A new report urges immediate action on agricultural practices that contribute to greenhouse gas emissions, which exacerbate climate change…
This increased energy use will disproportionately affect low-income households.
Directly contradicting President Donald Trump, a draft report produced by 13 federal agencies concludes that the United States is already feeling the negative impacts of climate change, with a stark increase in the frequency of heat waves, heavy rains and…
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