Calculate your Ecological Footprint. Find out how many planets would be needed if everyone in the world lived like you?

The Nature Conservancy is tackling the root causes of some of the toughest problems facing people and nature today, replicating good ideas to save many places and improve people’s lives.

leading online carbon footprint calculation tools and information to help reduce and offset your emissions - for business and individuals.

Together we can change the world

Since 1987, Conservation International has worked to improve the lives of people everywhere by protecting oceans, forests and other living ecosystems.

15 November 2019 -

the environmental and energy study institute (eesi) advances science-based solutions for climate change, energy, and environmental challenges.

WWF is op een missie: ​We gaan onze wereld ‘Nature Positive’ maken. Van natuurverlies naar natuurwinst, zo snel mogelijk. ​Zo blijft de aarde leefbaar voor iedereen. ​Het kán, als we er samen voor kiezen.