2050, the world’s population is expected to grow to 10 billion, and the impact of climate change will become more visible and tangible.

Climate change is unfair. We already know that the poorer and more vulnerable you are, the more you’re likely to be affected by the impacts of climate breakdown. You are also far less likely to be responsible for its cause.

It takes a lot to make a room of soil scientists gasp.

Last month, I presented at the National Soils Conference in Canberra, and asked 400 colleagues a simple question: do you think soil will play as significant a role in food production in 100 years as it does today?

The Norwegian Nobel Committee has awarded this year’s Nobel Peace Prize to the United Nations World Food Programme, declaring that it wanted “to turn the eyes of the world toward the millions of people who suffer from or face the threat of hunger.”

The South African authorities are planning to make less coal, a lot of wind and a significant amount of solar energy.

Scientists at Stanford University have demonstrated for the first time that heat from the sun and coldness from outer space can be collected simultaneously with a single device.