Remember last year when it was 50 degrees?The warming and cooling of the earth may be a game between plants and animals

Remember that awful summer last year?A number of cities in China have exceeded 40 degrees Celsius, including Canada, the United States and many north American countries more than 55 degrees for many days, death Valley surface temperature is close to 90 degrees, what is the earth, why the sudden fever?Scientists have been working for years… Read more Remember last year when it was 50 degrees?The warming and cooling of the earth may be a game between plants and animals