Nutrients like nitrogen, phosphorus, and potassium are  a double-edged sword . As key components of fertilizers, they are  essential for life on Earth, but become a threat to human health and the environment when they are in excess and run off into water courses and wastewater.

The Earth is a sick patient, struggling to survive and feed its inhabitants.

Urban green spaces provide several benefits beyond aesthetics. They offer shade, help to reduce pollution, offer habitat for birds and insects, a space to meet and socialise or for kids to play.

Bioenergy represents two-thirds of the energy produced from renewable sources in Europe, though biomass sustainability is not taken for granted.

Each year, the European Union produces three billion tonnes of waste. This equates to six tonnes of solid waste for every EU citizen, according to Eurostat. A major challenge is findings ways to reduce and reuse a large amount of such waste .

News of increased desertification has made headlines. Yet this process is not well understood.

Making food and drink production for more than 500 million people more eco-friendly is a key policy in Europe. About 99% of all agro-food companies in the European Union are small and medium size enterprises (SME).

British porridge, Dutch pea soup snert, Italian risotto or Spanish paella are only a small sample of the diversity of diets across Europe .