Free plastic bags are convenient for consumers to shop at supermarkets and convenient stores. But have you ever thought about how much burden they are on the environment? A single plastic bag can take between 400 to 1,000 years to break down in the...
What if livestock become extinct? What if the waste we dump killed animals elsewhere? If forests disappear from the Earth, what then? If only human beings are left on Earth, will there be any food left to eat? How often do we think about the Earth...