Yet people are sleeping outside these magnificent structures every day, huddled in their entryways. It could cost about 21 billion dollars to provide shelter for everyone on Earth. One of the ten richest people in the world could fund this. Sadly, I think not. We need energy for many of our pursuits.
Energy can come from the sun, wind, water, or heat from the Earth or burned animal dung.
Each day in the U.S. alone, we use over 313 million gallons of fuel - enough to empty over 26 tractor trailer trucks every minute. To provide clean, renewable energy sources worldwide could cost 17 billion dollars. It is a basic need to lead a healthy life. We surround ourselves with labor saving devices so we can move less in order to be more efficient while neglecting to exercise. Few people in the world have access to health care services.