Climate Change
What gas is most responsible for trapping heat in Earth’s atmosphere?
Carbon dioxide
What is the term for an animal that only eats plants?
Herbivore
What U.S. law, passed in 1970, regulates air pollution and emissions?
Clean Air Act
What is the term for using resources in a way that meets the needs of the present without compromising future generations?
Sustainability
What is the term for materials that can break down naturally in the environment?
Biodegradable
What is the name of the international treaty adopted in 1997 to reduce greenhouse gas emissions?
Kyoto Protocol
Which rainforest produces 20% of the world’s oxygen and is known as the “lungs of the Earth”?
Amazon Rainforest
What international agreement aims to limit global warming to below 2 degrees Celsius above pre-industrial levels?
Paris Agreement
What is the most common renewable energy source generated from the sun’s rays?
Solar energy
What is the most common form of plastic pollution found in the ocean?
Plastic bottles and microplastics
What is the process called where ice sheets and glaciers melt, causing sea levels to rise?
Glacial retreat
What is the term for a species that plays a critical role in maintaining the structure of an ecosystem?
Keystone species
What U.S. government agency is responsible for environmental protection and regulation?
Environmental Protection Agency (EPA)
What is the process of planting trees to restore a deforested area called?
Reforestation
What is the name of the process that converts waste into reusable material?
Recycling
Which two countries currently emit the most carbon dioxide globally?
China and the United States
What marine ecosystem is the most biodiverse, providing shelter to 25% of marine species?
Coral reefs
What is the name of the law that protects endangered species and their habitats in the U.S.?
Endangered Species Act
What type of farming avoids synthetic fertilizers and pesticides to maintain soil health?
Organic farming
Which ocean has the largest accumulation of plastic?
Pacific Ocean - the Great Pacific Garbage Patch
This greenhouse gas, with a global warming potential 298 times greater than carbon dioxide over a 100-year period, is primarily released from agricultural activities such as fertilizer use.
Nitrous Oxide (N₂O)
This type of symbiotic relationship benefits both species involved.
Mutualism
What international treaty aims to phase out substances that deplete the ozone layer?
Montreal Protocol
This economic model aims to eliminate waste and promote the continual use of resources by designing products for reuse, repair, and recycling.
Circular economy
This process breaks down organic waste, such as food scraps and yard waste, into nutrient-rich soil, helping reduce landfill contributions.
Composting