This image shows what can happen if global warming increases
Global Warming
Global warming is the increase in the temperature of the earth it is caused by The greenhouse effect is the process by which the absorption and emission of infrared radiation by gases in a planet's atmosphere warm its internal atmosphere and surface and in a greenhouse gas is an atmospheric gas that absorbs and emits radiation within the infrared range. For example, the glass lets in sunlight but keeps warm air from escaping.
Nowadays we have a big problem that is global warming, this causes people to get sick more when they burn the trees, they throw garbage in the bad, add gasoline too much for this, it is recommended to walk a little on foot, stop burning the trees and vote the garbage on the street.