Earth & Climate
This greenhouse gas is released when fossil fuels like coal and gasoline are burned.
Carbon dioxide (CO₂)
Energy from moving air.
Wind energy
Bees and butterflies help plants reproduce by spreading this powder.
Pollen
The “3 Rs” of waste management stand for these.
Reduce, Reuse, Recycle
Turning these off when leaving a room saves electricity.
Lights
The process where heat is trapped in Earth’s atmosphere by gases like CO₂ and methane.
Greenhouse effect
Solar, wind, and hydro are all types of this kind of energy that won’t run out.
Renewable energy
The loss of forests through logging or burning is called this.
Deforestation
Tiny plastic particles less than 5 mm in size that pollute oceans.
Microplastics
The total amount of land, water, and resources you personally use is called your ______ footprint.
Ecological footprint
This frozen ground in the Arctic contains large amounts of methane that can escape as it melts.
Permafrost
Electricity made by water falling through a dam.
Hydroelectric power
The total variety of living things in an area is known as this.
Biodiversity
A layer of ozone in this part of the atmosphere protects life from harmful UV rays.
Stratosphere
Eating less of this high-impact food can reduce greenhouse gas emissions.
Meat (especially beef)
The name for long-term changes in rainfall, temperature, and weather patterns on Earth.
Climate change
This element is used in batteries for electric cars and is mostly mined from the Earth.
Lithium
This plant, native to Africa, has thick, fleshy leaves that store water and is known for its healing properties/
Aloe Vera
This type of pollution creates a brown haze in cities when sunlight reacts with car exhaust.
Smog
The practice of growing food in cities, like rooftop gardens, is called this.
Urban farming
This 2015 international agreement aims to limit global temperature rise to below 2°C.
Paris Agreement
Fuels like coal, oil, and natural gas are grouped under this name.
Fossil fuels
This term describes the practice of protecting and managing natural ecosystems to ensure their health for the future.
Conservation
This harmful chemical, once used in refrigerators and aerosols, was banned for damaging the ozone layer.
CFCs (chlorofluorocarbons)
This practice of measuring and reducing carbon emissions is often called “going ______.”
Carbon neutral