When is Earth Day celebrated every year?

In which year was the first Earth Day celebrated?

What is the theme for Earth Day 2024?

Which country hosted the first major Earth Summit in 1992?

Which of the following is NOT biodegradable?

What is the main cause of ocean pollution?

What is the biggest source of water on Earth?

Which gas is primarily responsible for global warming?

What percentage of the Earth's surface is covered by water?

How long does it take for a plastic bottle to decompose?