Human development and survival depends on the environment, including other organisms and non-living surroundings. For the time being, this is provided by Earth. But how are we treating our host planet? It’s clear that our activities reshape our environment – some even fear they may endanger our very existence as a species. So what are our plans for the future?
Excess nitrogen causes problems in developed nations, but nitrogen-poor soils threaten food security elsewhere.
Economists could have helped in the fight against climate change. So far, they haven't.
An analysis of the costs of climate change caused by adding one tonne of methane to the atmosphere finds that high-income regions of the world should spend much more on efforts to lower such emissions than should low-income regions.
Mining the ocean floor could solve mineral shortages – and lead to epic extinctions in some of the most remote ecosystems on Earth.