It seems like there'n no reason why the Sun should shine. When will all our rivers run dry or clean water be polluted? Does it worry you? Because it worries many earthlings.

Today, on World Environment Day, UN General Secretary António Guterres urged everyone to cherish our planet.

It's on all of us to #SaveOurOcean. Here's how: http://uni.cf/2snLRQA @voicesofyouth #WorldEnvironmentDay

#WorldEnvironmentDay 2017 - UN Secretary-General António Guterres https://youtu.be/wLNILUHlTbM via @YouTube

World Environment Day 5 June 2017 | capacity4dev.eu http://europa.eu/!KP46nG

UN chief warns oceans are 'under threat as never before' https://apnews.com/5cd9efdc4b9e4d638cb006351c259077

Celebrate nature's beauty this #WorldEnvironmentDay w/ image's like this one of a rather blue Black Sea! More info @ http://goo.gl/XHOVN4

On #WorldEnvironmentDay, we want to hear your idea to reduce our impact on the planet. Tell us: http://on.natgeo.com/2swCkXJ