Final answer:
Tropical forests are the most effective ecosystems in preventing global warming by serving as carbon sinks. Reforestation and the preservation of existing forests are vital, along with the adoption of renewable energy and improved management of all terrestrial ecosystems.
Step-by-step explanation:
The ecosystem that best prevents global warming tends to be one that can act as a carbon sink, helping to remove CO2 from the atmosphere. Tropical forests are particularly effective carbon sinks, absorbing significant amounts of carbon dioxide through photosynthesis. These forests once covered a larger portion of the Earth's surface but have been reduced due to deforestation. Worldwide reforestation efforts are essential for the health of our planet, as well as the development and implementation of technologies like direct air capture and carbon capture. Additionally, individual efforts in energy conservation, using renewable energies like wind power, and reducing the use of fossil fuels contribute to mitigating climate change and global warming.
Potential solutions to reverse or prevent further global warming include reducing the usage of fossil fuels and CFCs, using natural and alternative sources of energy, and increasing the amount of carbon removed from the atmosphere through the protection of forests and reforestation programs. This is not only a technological challenge but also a biological and ecological one, where the management of the biosphere—to regreen terrestrial ecosystems including grasslands, wetlands, and agricultural systems—plays a key role in the planetary scale conservation needed to address climate change.