Showing 81–100 of 1,000 ranked alternatives.
Ogden Publications, Inc.
Read stories, share insights, stay informed
Read curated news stories focusing on environmental issues, marginalized communities, and political conflicts. Explore features on art, philosophy, and spirituality. Subscribe for regular updates and in- browsing.
Wei Zhang
Practice tests and study guides
Practice for the test with 20 multiple-choice questions in a 30-minute session. Review answers and explanations after each attempt. Track progress over time and access study materials for key topics.
World Wildlife Fund, Inc.
Explore wildlife and ecosystems
Explore interactive expeditions featuring endangered animals and their habitats. Follow students and a teacher on journeys to Africa, Amazon, Arctic, China, and Himalayas. Discover biodiversity through animated scenes and educational content.
Kinfolk Tech Foundation
Learn, share, and preserve history together
Explore historical events through augmented reality monuments. View layered stories and artifacts in real-world locations. Contribute to collective memory by adding personal narratives and historical insights.
Charles T. Bargeron
Citizen scientists detect invasive species arrival.
The Invaders of Texas Citizen Science program collects species observations from volunteers. Volunteers use a kit to detect and report invasive plant species in their local areas.
Siraprapa Kridakorn
Track your vegan diet and impact
Track daily water, grain, and land savings from a vegan diet. Monitor CO2 reduction and animal lives spared. Provide facts on climate change, ocean dead zones, and deforestation linked to animal product consumption.
Jorge Herlein
Explore history and geography offline
Explore with an offline guide covering introduction, history, geography, climate, geology, biology, management issues, activities, entry details, transportation, trail maps, and practical information.
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