A drying climate and the arrival of people together finished off Australia's megafauna.
Both drought and violence drove many Syrians out of their homes; even if the war ends, the continuing difficulty of farming will make it hard for them to return.
Australia is heading into a scorching summer, but the factors causing the hot and dry weather are expected to ease later in the season.
Australia's capital cities have collectively lost 30% of their stored water over the last six years. But this loss is not evenly distributed across the country.
A researcher who's worked for decades to improve the health of the Murray Darling Basin fears the coming months will be among the worst in history.
The ‘New Bradfield’ scheme seeks to revive a nation-building ethos supposedly stifled by bureaucratic inertia. But there are good reasons the scheme never became a reality.
Not all droughts are the same and South Africa needs to have a targeted approach to each type.
Minister David Littleproud on bushfires, drought, and the Nationals.
The Conversation, CC BY49.3 MB (download)
In this podcast, David Littleproud says "as elected officials, we've got a responsibility" to wait for the right time to talk about the link between climate change and the ongoing bushfires.
What caused the rise and then collapse 2,600 years ago of this vast empire centered on Mesopotamia? Clues from a cave in northern Iraq point to abrupt climate change.
Politicians and the media often stoke tensions between the city and the country. Nowhere is this more common than on the issue of land clearing – and the consequences can be tragic.
The impact of climate change on agriculture and food production is clear: the sector will suffer. Here's what needs to be done.
They escaped to the coast for the quiet life, but now sea-changers are in the path of monster fires.
Geoff Crisp and Michelle Grattan discuss the government's measures to help those hit by the drought, the ALP's election post-mortem release and Labor's recasting of its policies.
Drought-driven humanitarian emergencies can be prevented if groundwater is reliably made available at strategic locations.
The real crisis with water supply is that South Africa doesn't know what it doesn't know.
Drought has both natural and human causes, but deep cuts in our greenhouse gas emissions are urgently needed, regardless.
Once water is used in washing, cleaning or even sewerage it can be safely and reliably treated. The treated water is then safe to drink – identical to the original water.
Prime Minister Scott Morrison has asked Australians to pray for rain, but can God answer prayers? And if He can, should He?
Yes, Australia naturally cycles through dry and wet periods. But that doesn't mean we can simply build more dams and trust they'll be filled.
Alan Jones unleashed his well-known tactics of lecturing and insult as he accused Scott Morrison of failing the immediate needs of drought-stricken farmers.