For a sustainability executive, a few tools stand out as compelling ways to help organizations become the most sustainable, best corporate citizens possible. Appreciative Inquiry is one of them.

The European Union plans to shore up its Emissions Trading Scheme following a dramatic fall in carbon prices. Does this mean an end to the carbon trading system?

Proponents of this nuclear technology argue that it can eliminate large stockpiles of nuclear waste and generate huge amounts of low-carbon electricity. But as the battle over a major fast-breeder reactor in the UK intensifies, skeptics warn that fast-breeders are neither safe nor cost-effective.

How can companies navigate the inevitable confusion that arises when sourcing and certification programs each define and measure sustainability by a different set of standards?

The latest idea from British retail pioneer Marks & Spencer offers a lesson in retail as a force for good.

Earth's land shown to have warmed by 1.5C over past 250 years, with humans being almost entirely responsible

The amount of "green" advertising rises and falls in conjunction with key indicators of economic growth.

Better-designed and greener ways have taken root among researchers and industry, and it's not just about removing hazardous chemicals from the hood.

How can companies navigate the inevitable confusion that arises when sourcing and certification programs each define and measure sustainability by a different set of standards?

The Greenland ice sheet is melting at an ''unprecedented'' rate, according to NASA satellite data that shows 97 per cent of the vast mass is undergoing some form of melting.