12th December - Today's News: Military Chaff on US Radar

The mystery of the strange blob that appeared on weather radar on a clear day is solved - military chaff, and the ambient weather conditions meant it hung around longer than normal.  Not the first time this has happened.

Elsewhere in the USA, Winter Storm Diego leaves four dead, one missing; over 60,000 without power in Southeast

In Australia, extreme weather on the way as tropical cyclone, southern low pressure system develop in the east

Meanwhile Darwin swelters through hottest night ever recorded

Some good news as the Great Barrier Reef shows signs of resilience to bleaching in south, but researchers are wary

Humans may be reversing the climate clock, by 50 million years

Warming, sea-ice loss: Arctic Report Card tracks region's environmental changes with the "second-warmest air temperatures ever recorded; the second-lowest overall sea-ice coverage; lowest recorded winter ice in the Bering Sea; and earlier plankton blooms due to early melting of sea ice in the Bering Sea." 

Arctic reindeer numbers crash by half in the past two decades.

However, ozone depletion increases Antarctic snowfall, partially mitigates ice sheet loss

Nasa's IceSat space laser makes height maps of Earth

And did supernovae kill off large ocean animals at dawn of Pleistocene?