What gas is most responsible for global warming?
Carbon Dioxide
What percentage of Earth’s water is freshwater?
About ~3%
What kind of energy comes from sunlight?
Solar
What word describes all the different plants and animals in an area?
Biodiversity
What type of energy comes from the sun?
Solar
What human activity produces the most greenhouse gases?
Burning Fossil Fuels
What is the process of removing salt from seawater called?
Desalination
What do we call it when food scraps turn into soil for plants?
Compost
What do we call cutting down large areas of forest?
Deforestation
What type of energy comes from moving water?
Hydropower
What is the term for the warming of Earth’s average temperature over time?
Global Warming
What green plants sometimes cover ponds or lakes when water is dirty?
Nutrients
What do you call using things over and over instead of throwing them away?
Reuse
What is an animal or plant that comes from another place and causes problems?
Invasive species
What type of energy comes from heat inside the Earth?
Geothermal
What international agreement aims to reduce greenhouse gas emissions worldwide?
Paris Agreement
What do factories and people put in rivers or lakes that hurts fish?
What do we call reusing materials instead of throwing them away?
Recycling
What do we call animals that are at risk of disappearing forever?
Endangered
What type of energy comes from burning coal, gas, or oil?
Fossil fuels
What feedback loop involves melting ice reducing Earth's reflectivity, causing more warming?
Albedo Effect
What is the name of the big warm water current in the Atlantic Ocean?
Gulf Stream
What do we call planting trees and plants to help the environment?
Reforestation
What do we call areas where many animals and plants live together, like forests or oceans?
Habitat
What type of energy comes from moving air?
Wind