SATURDAY 27TH MARCH – 20:30-21:30 GMT      Earth Hour is the moment every year when millions unite around the world to show they care about the future of our planet.      WWF-Cymru is inviting people to join this year’s symbolic ‘switch off’ at home on Saturday 27th March, as an opportunity to connect with our planet. This year we’re asking you to take part individually, with households or as communities. Due to the current situation, the focus has shifted to participation at home.     Nine out of ten people who take part in Earth Hour feel inspired to…