Global emissions of the potent greenhouse gas methane may be double current estimates, posing an added challenge in the fight against climate change, researchers said Wednesday.
Levels of the planet's three most dangerous greenhouse gases are rising, and fossil fuels must be taxed to protect children from the turmoil of rising seas and extreme storms, climate scientist James Hansen warned Tuesday.
Canada will impose a national minimum carbon price in 2018, an effective tax, to meet the landmark Paris commitment on climate change, Prime Minister Justin Trudeau said Monday.
Avoiding the worst consequences of climate change by reducing global carbon emissions to as close to zero as possible is one of humanity's most pressing challenges. The University of California San Diego has launched the ...