WWF's Earth Hour 2009 Mary Poppins Marquee at the WWF's Earth Hour 2009 at New York NY. (Footage by WireImage Video/GettyImages)

ATMOSPHERE: Angels & Kings at the WWF's Earth Hour 2009 at New York NY. (Footage by WireImage Video/GettyImages)

WWF's Earth Hour 2009 NASDAQ Signage at the WWF's Earth Hour 2009 at New York NY. (Footage by WireImage Video/GettyImages)

ATMOSPHERE: Blue Fin at the W at the WWF's Earth Hour 2009 at New York NY. (Footage by WireImage Video/GettyImages)

Tiger footage at Tiger Territory Royal Opening at London Zoo on March 20, 2013 in London, England (Footage by WireImage Video/Getty Images)

Tiger footage at Tiger Territory Royal Opening at London Zoo on March 20, 2013 in London, England (Footage by WireImage Video/Getty Images)

Tiger footage at Tiger Territory Royal Opening at London Zoo on March 20, 2013 in London, England (Footage by WireImage Video/Getty Images)

Tiger footage at Tiger Territory Royal Opening at London Zoo on March 20, 2013 in London, England (Footage by WireImage Video/Getty Images)

Tiger footage at Tiger Territory Royal Opening at London Zoo on March 20, 2013 in London, England (Footage by WireImage Video/Getty Images)

INTERVIEW - Sophie Ellis-Bextor on energy conservation, gay marriage and her career at Sophie Ellis-Bextor - photocall at Jubilee Gardens on March 29, 2014 in London, England.

Wild populations of monitored animal species have plummeted nearly 70 percent in the last 50 years, according to a landmark assessment of the World Wildlife Fund that highlights "devastating" losses to nature due to human activity...

Aug.21 -- Jeanne Stampe, head of Asia sustainable finance at WWF, discusses Asean banks and the organization’s sustainable banking assessment. She speaks on “Bloomberg Markets: Asia.”

US President Barack Obama has agreed to lease office space in the headquarters building of the World Wildlife Fund in Washington DC when he leaves the White House

Electricity supply is a constant and expensive struggle for isolated communities in the Brazilian Amazon but solar panels could provide a cheap and environment friendly solution a new World Wildlife Fund project aims to prove

El planeta perdió en promedio cerca del 70% de su población de animales salvajes en casi cincuenta años, según la evaluación del Fondo Mundial para la Naturaleza publicada el jueves, que establece una relación cada vez más clara entre...

CLEAN: Nearly 200 rhinos killed this year in South Africa

The World Wildlife Fund director general Marco Lambertini says during an interview with AFP on the sidelines of the World Economic Forum in Davos that the delegates present at the forum should have strive for a "clear global goal for...

WildAid Founder and President Peter Knights talks about the dangers of wildlife conservation efforts following the death of Anton Mzimba.

The International Union for Conservation of Nature lists over 54,800 species of plants and animals as either threatened or endangered. 

The planet lost over two-thirds of wildlife populations in 46 years.