Top 10 Worst Invasive Species
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Top 10 Best Birdwatching Destinations
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- #2Kruger National Park, Sou…
- #3Bharatpur Bird Sanctuary,…
Top 10 Most Debated Climate Change Effects
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- #2Sea Level Rise Projection…
- #3Amazon Rainforest Dieback…
Top 10 Most Beautiful Coral Reefs
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- #2Raja Ampat Reef, Indonesi…
- #3Mesoamerican Barrier Reef…
Top 10 Worst Deforestation Hotspots
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- #2Borneo Lowland Forests
- #3Congo Basin Rainforest
Top 10 Best Hiking Trails in the World
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- #2Inca Trail to Machu Picch…
- #3Milford Track, New Zealan…
Top 10 Most Controversial Conservation Policies
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- #2Wolf Reintroduction in Eu…
- #3Ivory Trade Ban Effective…
Top 10 Most Stunning Natural Wonders
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- #2Great Barrier Reef, Austr…
- #3Victoria Falls, Zambia/Zi…
Top 10 Best Wildlife Safari Destinations
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- #2Masai Mara National Reser…
- #3Okavango Delta, Botswana
Top 10 Most Endangered Species
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- #2Amur Leopard
- #3Sumatran Orangutan
Top 10 Most Debated Dark Matter Theories
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- #2Modified Newtonian Dynami…
- #3Axions
Top 10 Best Space Telescopes
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- #2James Webb Space Telescop…
- #3Chandra X-ray Observatory…
Top 10 Best Vaccine Breakthroughs in History
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- #2Polio Vaccine — Jonas Sal…
- #3mRNA COVID-19 Vaccines —…
Top 10 Most Controversial Animal Testing Debates
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- #2Draize Eye Irritancy Test
- #3LD50 Lethal Dose Testing
Top 10 Best Scientific Documentaries
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- #2Planet Earth (2006)
- #3An Inconvenient Truth (20…
Top 10 Worst Nuclear Incidents
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- #2Fukushima Daiichi, Japan…
- #3Kyshtym Disaster, Soviet…
Top 10 Best Renewable Energy Technologies
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- #2Offshore Floating Wind Tu…
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Top 10 Most Polarizing Scientific Studies
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- #2Stanford Prison Experimen…
- #3Milgram Obedience Experim…