Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go?

"The Earth's climate has never been static, and even after reaching the carbon-neutral goals by 2050, humanity will still face climate changes," he said. At the same time, he noted that energy ...

China’s carbon intensity-a measurement of carbon emissions per unit of gross domestic product (GDP)- fell by 3.4%, according ...