We keep flushing valuable thermal energy down the drain
Apr 08, 2016 09:49 am UTC| Insights & Views Nature
Every time you flush your toilet or drain the bath, youre losing something surprisingly valuable: heat. It takes a lot of energy to warm up the water in the first place, and vast amounts of this energy simply disappear...
Climate change threatens entire ecosystems -- let's pick them up and move them
Apr 08, 2016 09:38 am UTC| Nature
Climate change poses a major threat to the worlds ecosystems. As the world warms, animals and plants will move to keep pace with their preferred climate, but many will be unable to keep up with the speed of change,...
Coral Bleaching Taskforce: more than 1,000 km of the Great Barrier Reef has bleached
Apr 07, 2016 05:47 am UTC| Nature
One of Australias most important natural assets, the Great Barrier Reef (GBR), is being affected by the worst ever bleaching in its history, amid warmer than average water temperatures associated with this summers major El...
No garden? Five creative ways city dwellers can still grow their own
Apr 05, 2016 13:18 pm UTC| Life Nature
With more people than ever living in cities, how do we reconcile our need for fresh fruit and vegetables with the challenges of life in an urban environment where the time and space for gardening are...
Airline emissions and the case for a carbon tax on flight tickets
Apr 05, 2016 04:04 am UTC| Insights & Views Law Nature
After years of delay, the international aviation industry is inching its way towards bringing its greenhouse emissions under some form of regulation. Last month the United Nations International Civil Aviation Organisation...
This summer's sea temperatures were the hottest on record for Australia: here’s why
Apr 04, 2016 23:59 pm UTC| Insights & Views Nature
The summer of 2015-2016 was one of the hottest on record in Australia. But it has also been hot in the waters surrounding the nation: the hottest summer on record, in fact. Difference in summer sea surface...
Banning fishing has helped parts of the Great Barrier Reef recover from damage
Apr 04, 2016 02:43 am UTC| Insights & Views Nature
The worlds coral reefs face unprecedented threats. Their survival depends on how well they can cope with a long list of pressures including fishing, storms, coral bleaching, outbreaks of coral predators and reduced water...
Johannesburg in a time of darkness: Ivan Vladislavić’s new memoir reminds us of the city’s fragility
Economist Chris Richardson on an ‘ugly’ inflation result and the coming budget
How the Mandela myth helped win the battle for democracy in South Africa
IceCube researchers detect a rare type of energetic neutrino sent from powerful astronomical objects