Editor’s note: This story is featured in the 2023 year in review.…

Mother Earth is living on borrowed time.

According to a United Nations scientific panel on climate change, if world leaders, corporations and citizens don't unite and radically transform their behaviors regarding our planet, doomsday will be on our doorstep.…

Editor’s note: This story is part of a series of profiles of notable fall…

The near-term future of Earth is one of a warming planet, as urban expansion and greenhouse gas emissions stoke the effects of climate change. Current climate projections show that in U.S. cities temperatures are expected to rise by 2 to 7 degrees Celsius (3.6 to 12.6 F…

Leaders and representatives from nearly 200 countries, including President Barack Obama, are gathering in Paris starting Monday to forge an agreement to reduce carbon emissions and stave off rising global temperatures, while squabbling amongst themselves over how to…

Average annual greenhouse gas emissions were at their highest levels in human history throughout 2010–19. Drastic action is needed, warned an Intergovernmental Panel on Climate report last week: Emissions reductions are needed in all sectors, and countries should seek to…

Federal data on power-plant carbon dioxide emissions is significantly flawed, according to a study by Arizona State University scientists published this month.

Monthly emission differences at a fifth of U.S. power plants varied plus or minus 13 percent. At half the…

One of Arizona State University's sustainability goals is to achieve climate positivity by eliminating its carbon footprint and saving more greenhouse gas emissions than it’s generating. …

Pull carbon out of the air, make money from it and save the human race.

Speeding up that process and creating a large-scale economic sea change was the topic of a panel hosted by Arizona State University on Thursday night at the Barrett & O'Connor Center in…

Methane and nitrous oxide gas emissions, caused by human activities like farming, overwhelm earthly carbon dioxide absorption and should be tackled to fight climate change, according to a study…