Renewable Energy Around the World
Climate Science
Famous Green Pioneers
The Future of Energy
Green Innovations & Tech
100

This South American country generates over 90% of its electricity from renewable sources, largely hydroelectric power.

What is Brazil?

100

This gas, which makes up about 78% of Earth's atmosphere, can act as a potent greenhouse gas when converted into nitrous oxide.

What is nitrogen? 

100

This Swedish climate activist is known for inspiring youth to take action against climate change through her "Fridays for Future" movement.

Who is Greta Thunberg?

100

This new type of nuclear power plant uses liquid salt as both a coolant and fuel, providing a safer alternative to traditional reactors.

What is a molten salt reactor?

100

This concept refers to a smart energy management system that uses digital technology to optimize the generation, distribution, and consumption of electricity in a grid.

What is a smart grid?

200

This Asian country is the world's largest producer of solar panels.

What is China?

200

This term describes the process by which solar radiation is trapped by greenhouse gases in Earth's atmosphere, causing a warming effect.
What is the greenhouse effect?

What is the greenhouse effect?

200

This English broadcaster and natural historian is known for his groundbreaking nature documentaries and his advocacy for climate action in later years.

Who is Sir David Attenborough?

200

This type of energy harvesting captures the energy produced by the movement of the human body, such as walking or stretching.

What is piezoelectric energy?

200

This system of agricultural technology integrates renewable energy and precision farming techniques, aiming to reduce carbon footprints and optimize food production.

What is vertical farming?

300

This European country leads the world in wind energy production per capita and gets nearly half its electricity from wind.

What is Denmark?

300

This concept refers to the increase in the Earth’s average temperature, particularly during the past century, primarily due to human activities.

What is anthropogenic global warming?

300

This co-founder of Google is behind the investment firm "Google Ventures" and has funded multiple clean energy startups.

Who is Larry Page?

300

This technology aims to produce hydrogen fuel using solar energy, offering a clean alternative to fossil fuels.


What is solar-powered hydrogen production?

300

This material, often called the "wonder material," has the potential to revolutionize solar cells by being more efficient and flexible than traditional silicon.

What is graphene?

400

This African country became the first to make renewable energy a major part of its national policy, with nearly 100% of its electricity from renewables.

What is Ethiopia?

400

The "Keeling Curve" tracks the concentration of this gas in the atmosphere, which has steadily risen since the late 1950s.

What is carbon dioxide (CO2)?

400

This Kenyan environmentalist and Nobel Peace Prize winner founded the Green Belt Movement to combat deforestation and empower women.

Who is Wangari Maathai?

400

These are next-generation wind turbines designed to operate in low-wind areas with blades that are significantly longer than traditional ones.

What are vertical-axis wind turbines?

400

In 2021, Canada announced that it would invest $5 billion to accelerate the development of clean technology and green jobs. Which Canadian province has the largest share of wind energy generation?

What is Ontario?

500

This island nation runs entirely on renewable energy for months at a time, powered mostly by geothermal and hydro sources.

What is Iceland?

500

This term refers to the process of reflecting solar energy back into space through aerosols or other particles, often discussed as a potential geoengineering solution.

What is solar radiation management (SRM)?

500

This American inventor and entrepreneur is credited with creating the first solar-powered car.

Who is Steve L. McAllister?

500

This type of solar power system can be integrated into building materials such as windows or roofing tiles.

What is building-integrated photovoltaics (BIPV)?

500

This innovative building material helps to reduce energy consumption by absorbing and releasing heat as needed, optimizing heating and cooling in buildings.

What is phase-change material?

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