Serious air pollution is a common problem in stations around Australia and the world. But solutions already exist, and some can be applied immediately to protect station staff and commuters.
Conditions deteriorated in 2023 but were stlil relatively good for ecosystems and agriculture. Unfortunately, the alarming decline of threatened species continued.
Cattle are major producers of methane, a potent greenhouse gas. But there are methods that can reduce their climate impact – if ranchers have incentive to use them.
Climate change is often seen as solely a technical problem. This is a misguided belief. Understanding how to build a better world begins, and ends, with understanding the societies which inhabit it.
Erle C. Ellis, University of Maryland, Baltimore County
Scientists have been debating the start of the Anthropocene Epoch for 15 years. I was part of those discussions, and I agree with the vote rejecting it.
A college junior who has gained a following by sharing high-profile people’s private flight information says that he is sharing public information. Others, like Taylor Swift, say that he is stalking.
Australia’s approach to estimating bushfire emissions is credible and sophisticated. But it must be refined as technology improves and the climate changes.
Australian vehicle emissions are even worse than official figures show and are likely to fall even further behind the rest of the world unless much more ambitious policies are adopted.
Large parts of Appalachia’s forests, once owned by coal companies, now make money for investors by storing carbon. But the results bring few jobs or sizable investments for residents.
There are two approaches to producing low-emission hydrogen, and public acceptance (or rejection) of each method will be important for hydrogen and its place in the energy transition.
Vernon Rive, University of Auckland, Waipapa Taumata Rau
By allowing a case against local greenhouse gas emitters to go ahead, the Supreme Court of New Zealand has opened the door to a new front in climate law – one that takes tikanga Māori into account.