Global Warming
Climate Change Causes
Renewable Energy
Energy Efficiency
Environmental Impact
100

This gas, released from burning fossil fuels, is the primary contributor to global warming.

What is carbon dioxide (CO2)?

100

This human activity is the leading cause of both global warming and climate change.

What is deforestation?

100

This renewable energy source, often harnessed through wind turbines, is one of the fastest-growing forms of energy in the world.

What is wind energy?

100

These types of lightbulbs use less electricity and last longer than traditional incandescent bulbs.

What are LED bulbs?

100

This type of pollution, caused by burning fossil fuels, is a major contributor to smog and acid rain.

What is air pollution?

200

The Earth’s average temperature has risen by approximately this many degrees Celsius since the late 19th century

What is 1.1°C?

200

This natural cycle, involving the Earth’s axial tilt and orbit, affects long-term climate patterns, but is not responsible for the current rapid changes.

What is the Milankovitch Cycle?

200

This renewable energy source uses the heat from the Earth’s core to generate electricity.

What is geothermal energy?

200

This type of building material is used to help insulate homes and reduce the amount of energy needed for heating and cooling.

What is insulation?

200

Rising ocean temperatures caused by global warming lead to this phenomenon, which threatens coral reefs.

What is coral bleaching?

300

The phenomenon when the Earth’s average temperature continues to rise due to excess greenhouse gases is called this.

What is global warming?

300

This powerful greenhouse gas is released in large amounts from livestock farming and contributes to climate change.

What is methane (CH4)?

300

Solar panels harness this type of energy to convert sunlight into electricity.

What is solar energy?

300

A home that is designed to use minimal energy for heating and cooling is known as this.

What is a passive house?

300

The melting of polar ice caps and glaciers contributes to this, which raises sea levels and increases flooding.

What is sea level rise?

400

This country is currently the largest emitter of CO2 in the world.

What is China?

400

The increased burning of these fuels, which release carbon dioxide and other pollutants, is a major driver of climate change.

What are fossil fuels?

400

This renewable energy source is derived from organic materials, like plants and animal waste, and is commonly used for heating and electricity generation.

What is biomass energy?

400

This energy-saving practice involves using appliances and devices only when necessary and turning them off when not in use.

What is energy conservation?

400

This is the process by which forests, wetlands, and other natural areas are lost due to human development, affecting biodiversity.

What is habitat destruction?

500

This international agreement, signed in 2015, aims to limit global temperature rise to below 2°C above pre-industrial levels.

What is the Paris Agreement?

500

This phenomenon, in which humans alter land use and agriculture, is responsible for nearly a quarter of global greenhouse gas emissions.

What is land-use change?

500

This ocean-based energy technology captures the power of the tides or waves to produce electricity.

What is tidal energy?

500

This U.S. agency sets energy efficiency standards for appliances, vehicles, and buildings, including the Energy Star certification program.

What is the U.S. Department of Energy (DOE)?

500

This long-term environmental effect is caused by increased concentrations of CO2 and other greenhouse gases in the atmosphere, affecting ecosystems and agriculture.

What is climate disruption?

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