Many countries around the world are vulnerable to wildfires, but a fire engineer warns that most are not spending enough on research into how fires spread and ways to reduce risks.
Sunrise over the Earth. Hydrofluorocarbons were created to protect the ozone layer, but their stable nature makes them an extremely potent greenhouse gas.
NASA
Australia has ratified an agreement to phase out hydrofluorocarbons, a manmade compound once hailed as the saviour of the ozone layer. What went wrong?
Cars are submerged on a flooded road in the Sydney suburb of Marrickville in 2012.
Alex Holver/NixPages
A massive residential development in a flood-prone inner-city suburb sounds like a recipe for disaster. But good urban design can deliver higher density and reduce the flood risk.
Human activity, along with a strong El Nino, drove 2016 greenhouse gas levels to new heights.
AAP Image/Dave Hunt
Global greenhouse gas levels have hit their highest point in at least 3 million years, according to new figures from the World Meteorological Organisation.
Players in the climate science game ‘CO2peration’ become a particle of sunlight, and travel on a journey to find out why we have liquid water at Earth’s surface.
Burned area in Santa Rosa, California, Oct. 11, 2017.
US Department of Defense
Fire is part of the ecology in much of California, but recent wildfires have caused much more damage than past burns of similar size. A fire ecologist points to two key factors: winds and population growth.
Managers’ short term incentives mean they can’t follow through on grand climate change programs.
Shutterstock
In public events Donald Trump has displayed the traits of a dominant masculinity. Yet the American president’s policies represent an anthropological and ecological model that’s outdated.
Extreme temperatures in Cordoba, Spain in June 2017.
EPA/SALAS
In an unchanging climate, we would expect record-breaking temperatures to get rarer as the observation record grows longer. But in the real world the opposite is true - because we are driving up temperatures.
Koalas are stressed out by a range of pressures, from habitat loss to dog attacks.
Edward Narayan
Malaria is a major public health problem that affects 106 countries globally. A rigorous and systematic approach to predict and control malaria transmission is needed.
A volunteer diver surveys marine life at Lord Howe Island.
Rick Stuart-Smith/Reef Life Survey
Reef Life Survey, a citizen science project where hundreds of volunteer scuba divers survey thousands of ocean sites, has revealed new insights into marine mysteries.
The big questions about Malcolm Turnbull’s energy policy will be, for consumers, what it would mean for their bills and, for business, how confident it can be that the approach would hold if Bill Shorten…
A supercell thunderstorm in the US state of Oklahoma.
Hamish Ramsay
The amount of atmospheric energy available to thunderstorms will increase in response to climate change, putting the tropics and subtropics at risk of being lashed with more intense storms.
Under the scheme, power companies would have twin obligations imposed on them by the government.
Lukas Coch/AAP
The government is set to unveil its long-awaited energy plan that would scrap subsidies for renewables and impose obligations on power companies to source a certain proportion of ‘reliable’ supply.