What is air pollution?
Air pollution means the presence of one or more unwanted substances in the air
_ _ _ can pollute waters during transport?
Oil
True or false, renewable energy is the cheapest source of energy.
True
What are the three main fossil fuels?
oil, natural gas, and coal
How many people are allergic to mold?
About 10 percent of the population is severely allergic
Human activities have a big impact on what?
Water pollution
What are at least 4 renewable energy sources?
Solar, Wind, geothermal, hydropower, bioenergy, and ocean
What time of year are most fossil fuels consumed?
During the winter months
How do fossil fuels affect air pollution?
The continuous burning of fossil fuels leads to rising temperatures and rising water levels, causing extreme weather phenomena like heat waves and flooding
What percent of Earth's water is not Fresh?
97%
What is renewable energy?
Renewable energy is energy derived from natural sources that are replenished at a higher rate than they are consumed
Which country consumes the most fossil fuels yearly?
China with a total of 38,000 twh
What are the main pollutants affecting human health?
Particulate Matter, ground-level ozone (O3) and nitrogen dioxide (NO2), sulfur dioxide (SO2), ammonia (NH3), volatile organic compounds (VOCs)
Why is plastic bad for water pollution?
Plastic doesn't break down in water
Around how old is renewable energy?
200 years old
How long do researchers think it takes for organic matter to compress into fossil fuels?
Millions of years
How many deaths year-round are caused by all forms of air pollution?
6.5 million deaths yearly
Waterborne illnesses are caused by what?
Pesticides
How does bioenergy work?
Burning biomass creates greenhouse gas emissions
What is the most expensive fossil fuel?
Coal