On 8:30pm, Saturday 27th March, the WWF are encouraging everyone to switch their lights off for 1 hour to help recognize the increasing problem of climate change.  It is widely accepted that climate change is causing the ice caps to melt and seas to warm, threatening ecosystems and coastal areas around the world. This is also causing related effects in other places as rising temperatures are causing increased droughts , threatening the most vulnerable animals and people worldwide.For just 1 hour, 8:30pm, Saturday 27th march, many landmarks and cities throughout the world are showing their support for Earth Hour and recognizing the danger of climate change by switching the lights off during this time. To find out how you can participate, go to http://www.earthhour.org/TakeAction.aspx.