Describe some of the main issues that involve our environment, and provide examples of how these issues affect our environment.

These are some of the main issues in our environment.
1) Pollution
Air pollution, Water pollution and Soil pollution are a common problem which require million of years to recoup.
2) Global Warming
    Human practices like emission of greenhouse gasses, burning of plastics and the likes which results to the rise of the temperature of the ocean and earth's surface.
3) Overpopulation
The world is crowded and would require more resources to sustain all the needs of the population. There will be scarcity and humans will be forced to develop and practices which can harm the environment.