Food loss and waste costs businesses billions of dollars each year and it generates about 8 percent of global greenhouse gas emissions, accounting for the carbon footprint of food produced and not eaten.

Desalination is typically an energy-intensive - and thus expensive - way to produce freshwater, which is one of the reasons it has been slow to take off as a widespread solution to water shortages.

A 40-percent water supply shortfall is expected globally by 2030, according to the United Nations. This means a business as usual water management strategy won’t work - and represents a $63tr risk, according to CDP.

A new method to analyze and define chemical risk will make it easier and less expensive to manage potential risks, according to researchers who have published their approach in the journal Risk Analysis.

Last June, Kansas City struck up a nearly $16bn partnership with Cisco Systems and Sprint to help make that city a lot smarter. How so? By tapping into digital technologies to improve such vital city services as energy, water and transportation.

Carbon pricing, in the form of a carbon tax or a cap-and-trade system, is used by businesses and governments all over the world to cut greenhouse gas emissions and, according to proponents, grow the economy.

Amazon, which has never published a sustainability report, has recently hired sustainability executives that may change the online retail giant's strategy - and reputation - according to the Guardian.

Carbon markets are booming, according to two new reports, and business is playing a key role.

Companies have a major financial incentive to achieve zero waste. In fact, says Eric Lombardi, executive director of Eco-Cycle International, "Waste equals wasted cash."