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All factors combined represented 43.5 mW/m 2 (1.27 that of CO 2 alone) excluding contrail cirrus and 101 mW/m 2 (±45) including them, 3.5% of the anthropogenic ERF of 2290 mW/m 2 (± 1100). [1] Again, it must be remembered that the effect of CO 2 accumulates from year to year, unlike the effect of contrails and cirrus clouds.
Air pollution deaths by nation due to fossil fuels. India and China have the higher number of deaths from air pollution. In India, it contributed to 2.1 million deaths in 2021, whereas China saw 2.4 million deaths. [128] In some countries, more than 20% of deaths were attributed to air pollution, for instance in Nepal, Bangladesh, Laos and ...
An aeronautical chart is a map designed to assist in the navigation of aircraft, much as nautical charts do for watercraft, or a roadmap does for drivers. Using these charts and other tools, pilots are able to determine their position, safe altitude, best route to a destination, navigation aids along the way, alternative landing areas in case of an in-flight emergency, and other useful ...
In United States aviation, a sectional aeronautical chart, often called a sectional chart or a sectional for short, is a type of aeronautical chart designed for air navigation under visual flight rules (VFR). In Australia, Canada and some other countries, the equivalent charts used for visual flight are called VFR Navigation Charts (VNCs).
En-route charts are divided into high and low versions, with information on airways and navaids for high- and low-altitude flight, respectively. The division between low altitude and high altitude is usually defined as the altitude that marks transition to flight levels (in the United States, this is taken to be 18,000 feet MSL by convention).
The charts are published "in accordance with Interagency Air Cartographic Committee specifications and agreements, approved by the Department of Defense and the Federal Aviation Administration". The legend of an aeronautical chart lists many of the symbols, colors and codes used to convey information to the map reader.
These charts are similar to sectional charts, and the symbols are the same. However, there is less detail at the smaller scale, so it is seldom used for visual flight rules flight at slower speeds or for local flights. WACs show topographic information, airports and radio navigational aids. They are useful for strategic flight planning, where a ...
These sections require the EPA "(1) to list widespread air pollutants that reasonably may be expected to endanger public health or welfare; (2) to issue air quality criteria for them that assess the latest available scientific information on nature and effects of ambient exposure to them; (3) to set primary NAAQS to protect human health with ...