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2 days ago · The entire ocean, containing 97% of Earth's water, spans 70.8% of Earth's surface, making it Earth's global ocean or world ocean. [23] [25] This makes Earth, along with its vibrant hydrosphere a "water world" [43] [44] or " ocean world ", [45] [46] particularly in Earth's early history when the ocean is thought to have possibly covered Earth ...
- 3.688 km (2 mi)
- 1,370,000,000 km³ (328,680,479 cu mi) (97.5% of Earth's water)
- 361,000,000 km² (139,382,879 sq mi) (71% of Earth's surface area)
- List of countries by length of coastline
3 days ago · This is a list of the world's countries and their dependencies by land, water, and total area, ranked by total area. The entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign states and dependent territories .
2 days ago · Record-warm May temperatures were observed across parts of northern Africa, western Asia, and small areas across the Atlantic Ocean and the South Pacific Ocean. This encompassed only 3.0% of the world's surface with a record-warm May temperature—the tenth highest May percentage for record-warm May temperatures since records began in 1951.
2 days ago · Global warming, the phenomenon of increasing average air temperatures near Earth’s surface over the past one to two centuries, happens mostly in the troposphere, the lowest level of the atmosphere, which extends from Earth’s surface up to a height of 6–11 miles.
- How does global warming work?Human activity affects global surface temperatures by changing Earth’s radiative balance—the “give and take” between what comes in during the day a...
- Why is global warming a social problem?Continued global warming is expected to impact everything from energy use to water availability to crop productivity throughout the world. Poor cou...
- Where does global warming affect polar bears?Polar bears live in the Arctic, where they use the region’s ice floes as they hunt seals and other marine mammals. Temperature increases related to...
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2 days ago · Annual 2019 Global Climate Report. April U.S. Release: Wed, 8 May 2024, 11:00 AM EDT. Monthly Report. Summary Info. Monthly Briefings. RSS Feed. Report: Year: Month: Global Temperatures. Regional Temperatures. Precipitation. Ocean Heat Content. References. Additional Resources. Temperature and Precipitation Maps. Annual.
5 days ago · Core Science Systems Mission Area. USGS CSS serves as the primary national civilian mapping agency, including topographic and geologic mapping for Federal and State requirements, national geospatial coordination, satellite operations and remote sensing.
NOAA's National Centers for Environmental Information calculates the global temperature anomaly every month based on preliminary data generated from authoritative datasets of temperature observations from around the globe.
