Zéro Gâchis aims to provide a platform for businesses to let consumers know in real-time when they have food reaching expiration, for sale at discounted rates.

Portugal-based MyFarm.com is offering would-be farmers the opportunity to help manage a plot online and receive a share of what is produced.

BioLite stoves use half the wood needed to cook over an open fire, emit only a fraction of the smoke, and capture excess heat to generate electricity for other purposes.

Batlow Premium Cider is a 5.5 percent alcoholic beverage made from the apples the Batlow Apples brand deems are not good enough for the supermarket shelves.

CitéGreen is a site that rewards participants with points — redeemable for gifts and discounts — whenever they perform actions that are good for the environment.

GreenCharge is a new iPhone app designed to help electric vehicle owners track and share their driving patterns, fuel savings and environmental contribution over time.

Wonderbag is an insulated device that greatly reduces fuel use by enabling cooking via heat retention.

German GreenPocket’s namesake smartphone app “helps consumers share their carbon footprint in a competitive and entertaining way on Facebook.”

The German Changers Starter Kit is a solar-powered charging system that lets users see and share information on the CO2 they’ve saved, while being rewarded with credits at participating stores.

Swap-o-Matic is a vending machine enabling users to donate and receive items without spending money.