As the risk of fires rises in areas once considered too wet to burn, it creates hazards for mountain communities and for downstream water supplies.
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Articles on Drought
Displaying 201 - 220 of 612 articles
Southern Québec is warming twice as rapidly as the rest of the world due to the progressive loss of snow cover. An average annual warming of 3 C to 6 C is expected by the end of the century.
Every increase in one degree of global warming will increase losses of crops to insects from 10% to 25%.
Not all forests respond to hotter and drier conditions in the same way.
A long-expected federal drought declaration underlines how serious the Colorado River water shortage has become for Western states.
Madagascar seems to be heading towards a new political crisis, much more complex and probably more violent than the previous ones.
The report projects an increase in mean temperatures and hot extremes across the continent. Worryingly the rate of temperature increase across the continent exceeds the global average.
During the warmer months, the number of days when the river ceases to flow will increase. Climate change is to blame.
New Zealand’s climate has been changing in line with global trends over the last century, warming by 1.1°C. But unless we curb emissions fast, we can brace for more extreme downpours and droughts.
Australia may warm by 4°C or more this century, the IPCC has found. As these IPCC authors explain, there is no going back from some changes in the climate system.
Much of the US has been experiencing heat waves in recent weeks. An economist explains how the often record-high temperatures can affect the economy.
Scientists tend to study heatwaves and floods as discrete events – but this overlooks the crucial connections between them.
As rivers run dry in the Rocky Mountains and the West, it’s easy to wonder where all the snow you see on mountain peaks goes. Some of it ends up in the air, but researchers aren’t sure how much.
The water cycle is intensifying as the world warms, bringing heavier downpours and longer droughts.
Not every extreme weather event is caused by climate change, but heat waves that were once ridiculously improbable are showing up more often. Just ask Portland.
Record heat and low rainfall are drying up water sources shared by the American Southwest and northern Mexico.
Every year, the number of wildfires caused by humans spikes on Independence Day. There are safer ways to celebrate amid the heat and drought.
Without enough water, trees can develop embolisms, similar to blockages in human blood vessels, and they’re more likely to die from drought or fires.
Scientists studied charcoal layers in the sediment of lake beds across the Rockies to track fires over time. They found increasing fire activity as the climate warmed.
COVID has exposed how vulnerable Australia’s food charities are in times of crisis. But we can prepare for the next disaster.
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Professor, Water and Landscape Dynamics, Fenner School of Environment & Society, Australian National University
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