Related topics: water

World warned: change now or endanger food and climate

Humanity faces increasingly painful trade-offs between food security and rising temperatures within decades unless emissions are curbed and unsustainable farming and deforestation halted, a landmark climate assessment said ...

Eight ways to halt a global food crisis

There are serious challenges to global food supply everywhere we look. Intensive use of fertilisers in the US Midwest is causing nutrients to run off into rivers and streams, degrading the water quality and causing a Connecticut-size ...

Well-meaning climate measures can make matters worse

Lifestyle changes can reduce our greenhouse gas emissions and help protect nature. While some actions offer great potential, some aren't as effective as we think and may even require more land and water, such as shifting ...

Circular cities of the world: What can green infrastructure do?

More than half of the world's population currently lives in cities while projections show an increase to two thirds by 2050. Many people living in small areas means large amounts of waste, high resource consumption and loads ...

Desalinating water in a greener and more economical way

We know that excessive consumption, industrial activity and growth in the global population are some of the factors threatening access to drinking water for an increasing proportion of people around the world. According to ...

Using 60% less water in paper production

An EPFL researcher has developed a mathematical model for optimizing heat transfer in factories and dramatically reducing water and energy consumption. The model could, in theory, cut water use by 60 percent at a Canadian ...

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