El Nino

And with tropical forests storing almost 250 billion tons of carbon, their fate has major implications for the Earth's atmosphere.

• By Claire Salisbury

A new study shows that coral bleaching events are recurring faster than reef ecosystems can recover.

• By Kate Wheeling

As fire conditions intensify around the globe, scientists are helping countries prepare for a fiery new normal.

• By Bob Berwyn

It's really getting hot in here.

• By Kate Wheeling

A study in Bangladesh highlights markedly different disease dynamics in the urban core versus the more rural periphery.

• By Nathan Collins

El Niño storms seem to be strengthening due to climate change, and in turn intensifying coral bleaching. This is particularly vivid at Christmas Island, where the water has warmed the most.

• By Robynne Boyd

Talking to the locals in Lurigancho-Chosica, Peru, after a devastating season of landslides

• By Kary Stewart

Plus, what will happen once El Niño goes away?

• By Francie Diep

The current El Niño pattern, likely worsened by climate change, has brought drought and hunger to southern Africa.

• By Francie Diep

Fifteen of the 16 warmest years on record have occurred since 2001.

• By Madeleine Thomas

The Midwest’s warm and soggy winter weather.

• By Susan Cosier

Forecasters predict the United States still has yet to experience the brunt of its erratic weather.

• By Madeleine Thomas

Heavy El Niño rains could trigger mudslides in California this winter. These scientists are trying to figure out the whens and wheres.

• By Alisa Opar

The Ecuadorian government has invested hundreds of millions over the past nine years to prepare for the storm that is about to batter the country. This year, the floods could be unprecedented.

• By Noah Schumer

Forecasters say we have a 95 percent chance of having an El Niño event this winter, but predicting its local effects is iffier.

• By Francie Diep

A strong El Niño and La Niña could cause flooding and erosion along the Pacific, according to new research.

• By Madeleine Thomas