India, April 22 -- Do you consider yourself an environmentalist? A planet protector? A tree-hugging, composting, reusable-straw-carrying warrior of sustainability? Well, it's time to put your environmental street cred to the test. This Earth Day 2025, we've cooked up a quiz that dives into the latest eco-innovations and if you're truly a responsible citizen of Planet Earth, you should be walking away with a 5/5. Let's find out.

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Plastic pollution is one of the biggest environmental threats today. Traditional plastics are tough, durable, and unfortunately, incredibly stubborn to degrade, hanging around for centuries. But researchers at RIKEN in Japan have developed a new kind of plastic that's just as strong for everyd...