Ten-year Challenge？ Have you seen these shocking contrast photos？

　　CCTV News:Since the beginning of 2019, the topic of "Ten-year Challenge" has become popular on some social media. But in fact, in the past ten years, not only our own appearance has changed, but also the natural environment on the earth has changed a lot. Recently, more and more environmental protection organizations and enthusiastic netizens have joined the topic of "Ten-year Challenge" and released many shocking photos to remind people that environmental protection is imminent.

Caption above: September 13th, 2018 Subtitle below: July 5th, 2008.

　　This group of photos was taken in the Rhone Glacier in Switzerland. By comparison, it can be seen that the large glaciers that were originally frozen firmly basically disappeared after ten years due to climate warming and melted into lakes.

Large icebergs melt with only a layer of floating ice, but on top of the accelerating melting ice.

Polar bears, which are getting more and more difficult to feed, are in extremely poor living conditions.

The rising ocean temperature has also led to the decrease of algae on which corals depend, and large-scale bleaching of corals has occurred in many areas.

　　Satellite images show that the coverage of Arctic sea ice has also been significantly reduced, with only a layer of floating ice left in the huge iceberg. On top of the accelerated melting ice, polar bears, which are increasingly difficult to feed, are bony and their living conditions are extremely bad. The rising ocean temperature has also led to the decrease of algae on which corals depend, and large-scale bleaching of corals has occurred in many areas.

　　On land, the deterioration of the natural environment can not be underestimated: the water level of a lake in California has dropped significantly, and the drought has made the once lush Amazon rainforest devastated … …

Drought has devastated the once lush Amazon rainforest … …

　　The rapid deterioration of the natural environment has worried many people. Some netizens made this set of contrast pictures to remind everyone that if the deterioration trend is not improved, the number of creatures in the ocean may drop sharply after ten years, thus becoming lifeless.

　　In all these shocking changes, one thing will not change: the plastic bottle that was thrown on the beach ten years ago will remain intact in the sea ten years later. In fact, it is not only ten years, but it will take hundreds of years for plastic products to degrade naturally. By that time, what will the natural environment on earth look like?