How much do you know about the blue Earth that we live on? This generous planet feeds billions of human beings and other innumerable creatures year by year. However, what do we do for this self-giving donator?

Human activities are impacting on an increasing number of endangered species. Meanwhile, air pollution, shortage of energy resources and desertification has created problems for mankind;s development and existence.

Please don't wait until the day we pass the point of no return and then show regret.

The following photos show the status quo of our Earth. Maybe we can do more to protect our amazing planet and its environment.

The most detailed true-color image of the entire Earth created to date. Using a collection of satellite-based observations, scientists and visualizers stitched together months of observations of the land surface, oceans, sea ice, and clouds into a seamless, true-color mosaic of every square kilometer of our planet. Much of the information contained in this image came from a single remote-sensing device-NASA's Moderate Resolution Imaging Spectroradiometer, or MODIS. Flying over 700 km above the Earth onboard the Terra satellite. [bbs.huanqiu.com]