Livestock is 'a bigger contributor to global warming and environmental degradation than all forms of transportation,' Mr Branson said.
A diet that includes a moderate intake of fat and fruits and vegetables, and avoidance of high carbohydrates, is associated with lower risk of death, research with more than 135,000 people across five continents has shown.
Shops should be transformed to drive customers towards buying healthy food and drink, according to a report by University of Stirling academics.
Sundrop Farms grows tomatoes in the Australia desert using solely sunlight and seawater, which is desalinized with solar power.
The project is designed to boost agricultural performance in a dense urban environment, ensuring long-term food security without environmental degradation.
Responsible consumption will never be realised if environmentally and socially sustainable goods remain out of reach for an entire cross-section of society.
A vegetarian diet and lower meat consumption could be the key to meeting global food demands without clearing more forests for farmland, according to new research.
In the largest study of its kind, an international team of experts led by Newcastle University, UK, has shown that both organic milk and meat contain around 50% more beneficial omega-3 fatty acids than conventionally produced products.
