Training drones to detect greenhouse gas sources

How do you map something that is both invisible and odorless? Researchers at the University of Oslo have trained drones to find the best places to measure greenhouse gases on their own.

Scientists sort out uncertainties in sea level projections

As global temperatures continue to rise, coastal communities are confronted with the pressing challenge of surging sea levels. The urgency to provide decision-makers with reliable forecasts of future sea levels becomes increasingly ...

World must act to stem surge of polluting trash, UN warns

The world generated 2.3 billion tonnes of municipal waste last year and the pile of trash is set to grow another two-thirds by 2050, the UN said Wednesday, warning of devastating costs for health, economies and the environment.

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