Tornado-spawning storms may get worse due to warming

America will probably get more killer tornado- and hail-spawning supercells as the world warms, according to a new study that also warns the lethal storms will edge eastward to strike more frequently in the more populous ...

Scientists say climate change goosed New Zealand storm fury

Climate change worsened flooding from a tropical cyclone that shut down much of New Zealand last month in one of the country's costliest disasters, scientists said, but they couldn't quite calculate how much it magnified ...

Ocean surface tipping point could accelerate climate change

The oceans help to limit global warming by soaking up carbon dioxide emissions. But scientists have discovered that intense warming in the future could lessen that ability, leading to even more severe warming.

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