Latest in natural resources
Ali Sajwani

Water, the currency of our future?

When people think of limited, valuable natural resources, oil is mostly the commodity that first springs to mind. As a finite, non-renewable resource, the possibility of consuming the entire existing supply of crude oil is entirely possible, and the date we reach ‘peak oil’ – the point of no return, when we’ve begun to hit […]

alternative energy

Video: A new way to remove CO2 from the atmosphere – TED Talk

Our planet has a carbon problem – if we don’t start removing carbon dioxide from the atmosphere, we’ll grow hotter, faster. Chemical engineer Jennifer Wilcox previews some amazing technology to scrub carbon from the air, using chemical reactions that capture and reuse CO2 in much the same way trees do … but at a vast scale. This detailed talk reviews both the promise and the pitfalls.