Thousands of dams across the US are aging and overdue for maintenance. Taking them down can revive rivers, restore fish runs and create new opportunities for tourism and outdoor activities.
Mike Joy, Te Herenga Waka — Victoria University of Wellington
A long-awaited NZ$700 million package to clean up New Zealand’s rivers and lakes has disappointed some of the government’s expert advisers – especially a delay on setting clear pollution limits.
Net zero energy buildings produce at least as much energy as they use. Designing whole net zero campuses and communities takes the energy and climate benefits to a higher level.
Extreme weather events prompt people to move, a trend that could accelerate in a warming climate. But the ability to migrate internally in the US depends largely on economic status.
When two or more epidemics co-exist and compound one another to worsen health, they are said to be syndemic. COVID-19 is feeding on other crises and diseases.
Microscopic ocean phytoplankton feed a “biological pump” that carries carbon from the surface to deep waters. Scientists have found that this process stores much more carbon than previously thought.
New research reveals which sectors of the global economy fuelled the emissions decline during COVID-19. We have a narrow window of time to make the change permanent.