Bottom trawling, where fishing boats drag a heavy net along the seafloor, can devastate marine habitats and cause fish stocks to plummet, but scientists have developed new eco-friendly techniques to support the sustainability of an industry employing tens of thousands of people.
Rising populations and climate change are putting pressure on the water needed for agriculture but a solar-powered irrigation system may reduce the amount that farmers use – while simultaneously slashing the sector’s greenhouse gas emissions.
While it seems common sense that planting more trees should help remove carbon dioxide (CO2) from the atmosphere and thereby cool the planet, Europe's forest management strategies have actually not helped to fight climate change, according to Professor Sebastiaan Luyssaert, from Vrije Universiteit Amsterdam, The Netherlands.
Climate change is threatening Europe’s coffee supplies, but the impacts could be diluted by planting the crops amongst trees - a technique known as agroforestry, which is also being revived in European farming.
Herbivorous insects are estimated to be responsible for destroying one-fifth of the world's total crop production annually, but a new, natural approach to pesticides that turns insects' taste and smell preferences against them could help reduce this toll.
Extremophile bacteria have adapted to survive inhospitable niches.
A better understanding of sleep pressure could advance therapies.
Sleep expert says that around 10 % of people are at risk of insomnia and employers should invest in therapy for those affected.