Ethiopia, Somalia and Djibouti expected to get even drier with rising carbon emissions.
Research marks first major result towards eventually simulating the human brain in a supercomputer.
The group will campaign for tougher action to curb global warming.
No sign of the big winter freeze as mild temperatures expected through October.
Popocatepetl volcano erupted over several days, belching ash over Mexico City.
Coral reef death described as worst period of coral bleaching in history.
People in the UK could be lucky enough to see the Northern Lights over the next few weeks, the Met Office said.
Footage shows widespread forest fires and burnt peatland in Indonesia's West Kalimantan province.
More flooding is expected along the South Carolina coast, with Haley not ruling out evacuations.
The footage reveals the extent of the devastation that killed more than 150 people.
Colima volcano erupted late on 4 October and continued on until 5 October spewing ash and smoke into the air.
Floodwaters inundating South Carolina after unprecedented rainfall left people trapped in their homes.
Over 2ft of rain have fallen in the past three days in parts of South Carolina.
Discovery made by scientists from Museum Victoria, LSU, and Dutch Museum Zoologicum Bogoriense.
Chernobyl looks more like a nature reserve than nuclear disaster site.
The UK is to be hit by the remnants of Hurricane Joaquin that battered the US and the Caribbean.
First global assessment of cacti shows taxonomic group is more threatened than mammals and birds.
The typhoon caused widespread blackouts in Zhanjiang and a water supply crisis in many areas.
The newly discovered species also include a sneezing monkey and jewel-like snake.
Torrential rain causes flash flooding in the US and France and there is a deadly landslide in Guatemala.
This hawksbill sea turtle was able to give off illuminating lights
Olympian squash player Qainy Bonilla among those reported dead in Santa Catarina Pinula.
Scientists find evidence of ancient mega-tsunami that wiped out island of Santiago with 800ft wave.
Welsh singer turned campaigner under fire for saying climate change played a role in Syrian conflict.
Countries remain sceptical of the safety of genetically modified crop varieties.
The hurricane quickly grew to a category 4 and is expected to wreck havoc on the US East Coast.
Tropical Storm Joaquin now classed as a hurricane but meteorologists differ on where it will strike.
Every year, more than one million wildebeest head 1,000 miles north.
Carney believes that there is "still time to act" but that "the window is finite and it's closing".
Shark culls found to make climate change worse through release of blue carbon.