A recent study published in the ISPRS Journal of Photogrammetry and Remote Sensing highlights how China's FengYun-3 (FY-3) ...

Researchers looked at long-term global surface temperatures since ... over a long period of time. 'Imagine temperature records plotted on a graph – a small change in the slope would require ...

This graph shows that there are variations in the Earth’s average annual temperatures. It also shows that the overall trend, since the 1970s is an increase in global surface temperature.