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2. Sustainable Development Goal 14 - Wikipedia

   en.wikipedia.org/wiki/Sustainable_Development...

   If the quantities of floating micro is below 4.75mm, it is labeled as micro and if it is over 4.75 cm, it is labeled as macro. The amount of plastics in large marine ecosystems are measured based on "a model of surface water circulation and the use of proxy inputs". The final Floating Plastics Debris Density indicators will be ready by 2020. [18]

3. California mission project - Wikipedia

   en.wikipedia.org/wiki/California_mission_project

   The mission project is commonly assigned to California elementary school students in the fourth grade when they are first learning about their state's Spanish missions. Students are assigned one of the 21 Spanish missions in California and have to build a diorama out of common household objects such as popsicle sticks , sugar cubes, papier ...

4. Sustainable Development Goal 15 - Wikipedia

   en.wikipedia.org/wiki/Sustainable_Development...

   Sustainable Development Goal 15 (SDG 15 or Global Goal 15) is about "Life on land".One of the 17 Sustainable Development Goals established by the United Nations in 2015, the official wording is: "Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss". [1]

5. Smithsonian Ocean Portal - Wikipedia

   en.wikipedia.org/wiki/Smithsonian_Ocean_Portal

   The Smithsonian Ocean Portal is an educational website created and maintained by the Smithsonian Institution's National Museum of Natural History in Washington, DC. The website features regularly updated, original content from the museum's research, collections, and Sant Ocean Hall as well as content provided by a number of collaborating organizations.

6. Wildlife conservation - Wikipedia

   en.wikipedia.org/wiki/Wildlife_conservation

   Overall, the effects of climate change increase stress on ecosystems, and species unable to cope with the rapidly changing conditions will go extinct. [28] While modern climate change is caused by humans, past climate change events occurred naturally and have led to extinctions.

7. Ecosystem - Wikipedia

   en.wikipedia.org/wiki/Ecosystem

   [3] [4]: 5 [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows. [5] "Ecosystem processes" are the transfers of energy and materials from one pool to another. [2]: 458 Ecosystem processes are known to "take place at a wide range of scales". Therefore, the correct scale of study depends on the ...