global warming

  • 2016 declared hottest year on record

    Another a record broken we really shouldn’t break.

    Steam and exhaust spew from factories on a cold winter day in Oberhausen, Germany. Greenhouse gases are among the chi...

    Climate January 18, 2017
  • Old clams give up ocean climate secrets

    Like rings in a tree trunk, layers in shells of quahog clams provide clues to the climate over th...

    Quahog clams can live up to 500 years – living archives of the climate of the period. Paul Poplis / Getty ImagesThe...

    Climate December 7, 2016
  • Why is Earth’s axis shifting?

    Humanity has now burned enough fossil fuel to tip the planet slightly. Karl Kruszelnicki explains.

    We are only a little way into the 21st century, but signs of a warming planet are already evident around the globe: M...

    Earth Sciences October 12, 2016
  • What two million years of climate history tells us about the future

    Data from layers drilled from the ocean floor don’t bode well for global warming down the track, ...

    Climate science has received a massive boost with the recreation of Earth’s climate history for the past two million ...

    Climate September 26, 2016
  • For lizards roaming a warming world, shade is vital

    Almost 40% of the world’s lizards are expected to become extinct by 2080 thanks to climate change...

    Mountain spiny lizards (Sceloporus jarrovi) were tracked virtually and in real life to see how sun and shade affected...

    Climate September 5, 2016
  • Humans have been warming the planet for 180 years

    Half a millennia’s worth of observations show human-induced climate change started way back in th...

    Researchers drilled into old corals to help unravel the Earth's climate history. Eric Matson / AIMSHuman-induced cl...

    Climate August 25, 2016
  • Birds sing to prepare chicks for the heat

    Song of a finch better equips a hatchling to deal with heat.

    Baby zebra finches anticipate the environment onto which they're born – thanks to their parents' warbles. Credit: And...

    Biology August 18, 2016
  • The global impact of air conditioning: big and getting bigger

    Global temperatures are poised for another record-breaking year. As incomes rise around the world...

    With a heat wave pushing the heat index well above 100 degrees Fahrenheit (38 Celsius) through much of the U.S., most...

    Climate July 31, 2016
  • Operation IceBridge returns to the Arctic

    An eighth year of collecting data that helps scientists predict the summer melt. But a particular...

    The National Oceanic and Atmospheric Administration’s P-3 Orion airplane carrying IceBridge’s scientists and instrume...

    Climate April 21, 2016
  • El Niño is back – better get used to it

    As a new El Niño event takes hold, Cosmos explains the mechanics of this extreme weather event an...

    Basic climate change science is simple: rising CO2 levels trap heat and warm the planet. The devil is in the detail –...

    Climate May 18, 2015
  • Puzzles posed by a chilly northern winter

    Climate scientists are divided about what caused the massive winter snow storms in the US. Belind...

    A massive snowfall in February almost blocks access to this home in Kittery, Maine. – Derek Davis/Portland Press He...

    Climate March 23, 2015
  • The resilient environmentalist

    Current events are proving Bjørn Lomborg right and his old enemies are being won over.

    At this point in his life, Bjørn Lomborg is resigned to being the skunk at the party. He knows he is scorned in left-...

    Climate October 21, 2013
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