UK funds controversial climate-cooling research

Clouds over the ocean could be 'brightened' to reflect sunlight away from the planet. Kingcraft / shutterstock

The UK government’s Advanced Research and Invention Agency – known as Aria – recently announced it is funding 21 research teams to explore what it terms climate cooling. The money involved (£56 million) isn’t much in the grand scheme of things. But experts on both sides of the debate (and this issue divides climate academics more than almost any other) agree it’s likely to be a precursor to more significant investment in future.