Join us again next year on Saturday, March 28, 2020, 8:30pm your local time.

Individuals, businesses and cities in 188 countries and territories worldwide joined Earth Hour 2019 to speak up for nature and inspire urgent action for the environment. As Earth Hour rolled around the globe, thousands of landmarks switched off their lights in solidarity for our planet. Through the global appeal of the world’s largest grassroots movement for the environment, #EarthHour, #Connect2Earth and related hashtags trended in 26 countries as people across the globe generated over 2 billion impressions to show their concern for nature. Individuals pledged their support for the planet, challenging world leaders to push the preservation of nature up the global agenda. 

Pledge for the Planet



We're the first generation to know we are destroying our planet.

And we could be the last that can do anything about it.


Pledge now

Earth Hour 2019 - the first step towards making nature matter

This Saturday, 30 March at 8.30PM local time, is Earth Hour. The world’s largest grassroots movement for the environment grows another year older and will continue to unite millions of people around the world who take part in this annual celebration. Earth Hour 2019 with its campaign  ‘#Connect2Earth’ aims to build mass awareness on why nature is important and create an unstoppable movement for nature similar to when the world came together to tackle climate change.

Impact Beyond the Hour

Earth Hour, the world’s largest grassroots movement for the environment, is set to once again unite millions of people around the world to show their commitment to the planet.

Cuando la naturaleza prospera, nosotros también lo hacemos

¿Sabías que, globalmente, la naturaleza proporciona servicios por valor de unos 125 billones de dólares al año? :O Durante el transcurso de nuestra vida cotidiana, es fácil olvidar que dependemos de la naturaleza para todo. Desde el aire que respiramos ahora mismo hasta la comida que tanto nos gusta y el agua que bebemos para saciar nuestra sed; simplemente no podemos sobrevivir sin la naturaleza y todo lo que proporciona.

Nada natural en el considerable deterioro de la naturaleza: el informe de WWF revela la asombrosa magnitud del impacto humano en el planeta

La humanidad y la forma en que alimentamos, abastecemos energéticamente y financiamos nuestras sociedades y economías están llevando a la naturaleza y a los servicios que nos sostienen y suministran energía hasta el límite, según el Informe Planeta Vivo 2018 de WWF.