Ecological damage, risk of nuclear accident and the economic fallout from war all affect countries well beyond the conflict zone. How should the world deal with these borderless threats?
Flood and cyclone damage shows why turning Auckland and other urban parts of New Zealand into ‘sponge cities’ is the right idea. But overseas experience from China and beyond shows it won’t be cheap.
Waste-to-energy incineration has been raised as a solution to the global plastic waste problem, but the technology adds pollution and greenhouse gas emissions and encourages more waste production.
Discussions about climate change often skirt around the issue of population growth, but it is the main driver of rising carbon dioxide levels and many other environmental changes on a planetary scale.
Climate change is a super-wicked problem. With a growing sense of urgency to act on climate change, it is vital we strike a balance between encouraging action and limiting pushback.
New research shows that children who live in greener neighbourhoods are less likely to develop asthma, and that the more diverse the plant life is, the more they are protected.
