Scientists are hoping for a new perspective on the long-standing mystery with a NASA satellite that will, for the first time, make carbon dioxide measurements globally from space.
The average level of CO2 in the atmosphere hits an unwelcome milestone.
Worried scientists said Sunday they had found four new ozone-destroying gases in the atmosphere, most likely put there by humans in the last 50-odd years despite a ban on these dangerous compounds.
See the polar vortex in action as it sank the States into a big freeze in January.
A new NASA Earth Observatory map shows deadly exposure to air pollution worldwide. Continue reading â†’
Leading scientists say the idea of blaming global warming on El Nino doesn't look so hot.
Good news and bad news for carbon pollution: Russia and Europe are leading successful reduction efforts, but the United States has shown an increase in carbon dioxide emissions.
Last month, like many before it, had heat that was above average, and temperatures during the second half of June broke or tied records in 173 locations.
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