This is some text! The worldwide situation that I am explaining to you is CLIMATE CHANGE.
The Earth’s average land temperature has warmed nearly 1°C in the past 50 years as a result of human activity, global greenhouse gas emissions have grown by nearly 80% since 1970, and atmospheric concentrations of the major greenhouse gases are at their highest level in 800,000 years. Quoted from this website.Climate Chnage.
Here's an image of the Arctic land areas warming up:
To learn more about the event check out Google!