The nation last saw similar levels of emissions in the 1920s, scientists have revealed.
But one thing is clear. Next-day delivery is the most carbon-intensive option.
Christiana Figueres, the lead U.N. negotiator of the Paris climate agreement, says the next decade is the most important in the history of humanity.
Time is running out.
As wildfires dominate the news, experts suggest some of the best ways you can help the planet and combat climate change.
From new climate science to wildfires, plastic waste and biodiversity, here's a snapshot of our world right now.
I hope people will ponder the environmental impacts of reproducing, just as they agonize over plastic use and fossil fuel reliance.
“Scientists have a moral obligation to clearly warn humanity of any catastrophic threat and to ‘tell it like it is,’” says a new report signed by over 11,000 academics.
When it comes to turkey and traveling to the feast, there's good news and there's bad news.
Transportation is the greatest source of greenhouse gases in the United States. Why are all the 2020 candidates so scared to say it?