A recent report claims that Australia's energy can reliably come from 50% renewable sources by 2030. But arguing over renewable levels distracts from a paucity of policy.
Tonnes of plastic end up in the ocean each year, but a switch away from petroleum-based products to bio-derived and degradable composites could lessen marine pollution.
India's capital New Delhi has been plunged into smog, a year after suffering a similar crisis. Without an end to crop burning, the problems with smog will only continue.
The failed attempt to reinstate land clearing regulations in Queensland has prompted 'panic clearing', pushing Australia into the global top-ten deforesters.
To many people, island nations such as Tuvalu, Kiribati and the Marshall Islands are synonymous with climate catastrophe. But prophesies of doom aren't all that helpful.
Every year buoyant bundles rise from a spawning coral, giving the impression of an upside-down snowstorm.
Volcanologists study the formation and eruptions of volcanoes - surely one of the most interesting jobs around. However, it can also be very dangerous.
In the decades ahead, our mineral supply will still need to double or triple to meet the demand for electric vehicles and other renewable energy technology.
Cooling off this summer will be more expensive than ever, putting at risk the very young, the elderly and people with health conditions.
After three years in which global carbon emissions scarcely rose, 2017 has seen them climb by 2%, as the long-anticipated peak in global emissions remains elusive.
Foodbanks were originally established as a temporary measure to alleviate food insecurity. But have they become an excuse for governments not to deal properly with the problem?
BHP has distanced itself from moves to strip environment groups of their tax deductibility status. Why does the Big Australian see value in defending them?
Some remote Australian communities have access to drinking water for only nine hours a day but can use ten times the average of urban households.
While other countries race into the distance, Australia is still on the starting grid when it comes to electric cars. Why so slow? Because we don't have a proper recharging network.
In 1850, the Micronesian island of Nahlapenlohd was the scene of Pohnpei state's first battle involving cannons and muskets. Less than two centuries later, it has sunk beneath the waves.
The federal government is considering watering-down laws against importing illegal timber, but this flies in the face of international evidence.
'Fast liquor', aged in months rather than decades, is the holy grail for distillers who are trying techniques ranging from using special barrels to blasting their brew with ultrasound.
Iconic Stan Smiths can be styled with almost anything, but most white sneakers are costly to the environment. Lucky for us, there are many sustainable alternatives that are just as cool.
This year is poised to go down as the hottest non-El Niño year ever recorded, with record low polar ice and extreme weather that left many regions battling bushfires and hurricanes.
A group of fewer than 800 orangutans in northern Sumatra has been recognised as a new species - and they are already under threat from deforestation.
If warmer weather is your sign to reach for the pesticide, think again. From better soil to your own army of beneficial bugs, here are five reasons to put down the insect spray.
In the push to lower emissions and reduce energy prices, agricultural waste could be Australia's secret weapon.
Australia is among nations calling for a 1 million square km marine park off East Antarctica. But Russia and China remain opposed, and a recent summit yet again failed to seal the deal.
Australia is among seven countries contributing to more than half of the world's biodiversity loss. Yet next month, a crucial network of long-term research sites will lose funding.
Australia has ratified an agreement to phase out hydrofluorocarbons, a manmade compound once hailed as the saviour of the ozone layer. What went wrong?