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During summer, the western Indian Ocean is home to one of the largest concentrations of marine phytoplankton blooms in the world. Increased warming in the Indian Ocean enhances ocean stratification, which prevents nutrient mixing in the euphotic zone where ample light is available for photosynthesis. Thus, primary production is constrained and ...
Governments have no time to lose when it comes to implementing a new global ocean treaty to protect the high seas as threats from human activities intensify, a report by environmental group ...
This list of global issues presents problems or phenomena affecting people around the world, including but not limited to widespread social issues, economic issues, and environmental issues. Organizations that maintain or have published an official list of global issues include the United Nations, and the World Economic Forum.
Even so, air pollutants are causing a variety of health and environmental problems. These pollutants are a threat to the population of Africa and the environment they try so hard to sustain. [31] In 2019, air pollution killed 1.1 million people across Africa, according to a study published in The Lancet Planetary Health in October 2021. [32]
Human activities including logging, pollution, overfishing and urban development are driving a staggering loss of biodiversity. ... is the biggest current threat to nature, but adds that climate ...
In a series of graphics, we take a look at some of the biggest environmental challenges facing our planet. Five graphics that show some of the biggest threats facing the natural world Skip to main ...
The ocean can be described as the world's largest ecosystem and it is home for many species of marine life. Different activities carried out and caused by human beings such as global warming, ocean acidification, and pollution affect marine life and its habitats.
Some 14,000 tons of sunscreen ends up in the ocean each year, with 4000 to 6000 tons entering reef areas annually. [50] There is an estimate that 90% of snorkeling and diving tourism is concentrated on 10% of the world's coral reefs, meaning that popular reefs are especially vulnerable to sunscreen exposure. [50]