MICK TSIKAS/AAP

An open letter to Australia’s Education Minister Dan Tehan — signed by 73 senior professors

More than 70 of Australia’s Laureate professors have signed a letter to the minister for education, Dan Tehan, outlining the flaws in the proposed university reforms.
Days of protest by Extinction Rebellion have brought parts of London to a standstill. Shutterstock

UK becomes first country to declare a ‘climate emergency’

The move has been likened to putting the country on a “war footing”, with climate and the environment at the very centre of all government policy, rather than being on the fringe of political decisions.
As extreme weather events, like Hurricane Florence, become more common it is time to ask what it will take for the world to finally tackle climate change. Encouragingly, there may be a historical precedent: Victoria London’s handling of the ‘Great Stink’, where growth had turned the River Thames into an open sewer. EPA/JIM LO SCALZO

Will 2018 be the year of climate action? Victorian London’s ‘Great Stink’ sewer crisis might tell us

As climate extremes mount, let’s reflect on Victorian London’s ‘Great Stink’ sewage crisis - when things finally became so bad authorities were forced to accept evidence, reject sceptics, and act.
Melting Antarctic ice can trigger effects on the other side of the globe. NASA/Jane Peterson

How Antarctic ice melt can be a tipping point for the whole planet’s climate

The climate secrets contained in an ancient tree that lived through abrupt global change reveal how Antarctica can trigger rapid warming in the north by dumping cold water into the Southern Ocean.

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