A conversation with Jan Null, a weather forecaster who explains why expectations of a wet winter are misplaced.
And with tropical forests storing almost 250 billion tons of carbon, their fate has major implications for the Earth's atmosphere.
As fire conditions intensify around the globe, scientists are helping countries prepare for a fiery new normal.
It's really getting hot in here.
Forecasters say we have a 95 percent chance of having an El Niño event this winter, but predicting its local effects is iffier.