Former President Barack Obama illegally entered into the Paris climate agreement, a lawsuit filed Monday says, citing a legal memo...

Swedish activist Greta Thunberg is not alone in asking the world for help so she can join 25,000 other delegates...

Summer and early fall are fire season in California. It has always been this way. Most summers experience virtually no...

Boris Johnson has done his first really, really bad thing since becoming Prime Minister. It’s bad, at least, if you...

Sea level rise, a trend that predates the Industrial Revolution, is being blamed on CO2 emissions and has become one...