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2. Radiocarbon dating - Wikipedia

   en.wikipedia.org/wiki/Radiocarbon_dating

   Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon. The method was developed in the late 1940s at the University of Chicago by Willard Libby, based on the constant creation ...

3. Silicon carbide - Wikipedia

   en.wikipedia.org/wiki/Silicon_carbide

   Silicon carbide (SiC), also known as carborundum (/ ˌkɑːrbəˈrʌndəm /), is a hard chemical compound containing silicon and carbon. A wide bandgap semiconductor, it occurs in nature as the extremely rare mineral moissanite, but has been mass-produced as a powder and crystal since 1893 for use as an abrasive.

4. List of national parks of the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_national_parks_of...

   The state with the most national parks is California with nine, followed by Alaska with eight, Utah with five, and Colorado with four. The largest national park is Wrangell–St. Elias in Alaska: at over 8 million acres (32,375 km 2), it is larger than each of the nine smallest states.

5. Scientists in Chile question if Antarctica has hit a point of ...

   www.aol.com/news/scientists-chile-antarctica-hit...

   Temperature and carbon dioxide were historically at equilibrium and balanced each other out, Casado said, but we currently have much higher levels of CO2 and are far from equilibrium.

6. Atmosphere of Earth - Wikipedia

   en.wikipedia.org/wiki/Atmosphere_of_Earth

   The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.

7. Carbon capture and storage - Wikipedia

   en.wikipedia.org/wiki/Carbon_capture_and_storage

   Carbon capture and storage (CCS) is a process in which carbon dioxide (CO 2) from industrial sources is separated before it mixes with the atmosphere, then transported to a long-term storage location. [1]: 2221 In CCS, the CO 2 is captured from a large point source, such as a natural gas processing plant or coal power plant, and typically is ...