How can we use and waste less energy?

How can we use and waste less energy?

By Mike Joy If we keep trying to maintain our current growth trajectory, built on a one-off fossil bonanza, we will destroy the already stressed life-supporting systems that sustain us. As countries explore ways of decarbonising their economies, the mantra of “green...
How can we address biodiversity loss? ▶

How can we address biodiversity loss? ▶

Biodiversity loss and climate change are paramount global existential threats. A conservation scientist must wield a scientific Swiss army knife to successfully undertake research in these topics that informs policy. James Russell has been researching conservation and...
Why is marine life fleeing the equator?

Why is marine life fleeing the equator?

By Anthony Richardson, Chhaya Chaudhary, David Schoeman & Mark John Costello Marine life is fleeing the equator to cooler waters. History tells us this could trigger a mass extinction event. The tropical water at the equator is renowned for having the richest...
How environmentally friendly is cryptocurrency?

How environmentally friendly is cryptocurrency?

By Peter Howson Bitcoin isn’t getting greener: four environmental myths about cryptocurrency debunked. The price of bitcoin has reached US$50,000 (£36,095) – another all-time high. It’s hard to believe that 10,000 bitcoin would only buy a couple of pizzas ten years...
Why are sea levels rising fastest in big cities?

Why are sea levels rising fastest in big cities?

By Sally Brown & Robert James Nicholls Increased urbanisation especially in deltas areas and the demand for freshwater means subsidence will remain a pressing issue in the coming decades. It is well known that climate-induced sea level rise is a major threat. What...
What are the risks we face from volcanoes? ▶

What are the risks we face from volcanoes? ▶

In her inaugural lecture held at the University of Auckland, Professor Jan Lindsay gives an insight into her research into volcanoes all over the world. A consistent focus of her research has been on improving societal resilience to volcanic hazards – in the early...