Search results
Results from the WOW.Com Content Network
Aircraft engines produce gases, noise, and particulates from fossil fuel combustion, raising environmental concerns over their global effects and their effects on local air quality. [2] Jet airliners contribute to climate change by emitting carbon dioxide (CO 2 ), the best understood greenhouse gas , and, with less scientific understanding ...
Air travel, like other forms of travel, radically increases the speed at which infections spread around the world, as viruses rapidly spread to large numbers of people living across the world. Human and cargo traffic greatly facilitates the spread of pathogens across the world, [7] [8] for example during the COVID-19 pandemic.
The health and environmental impact of transport is significant because transport burns most of the world's petroleum.This causes illness and deaths from air pollution, including nitrous oxides and particulates, and is a significant cause of climate change through emission of carbon dioxide.
Noise-generating aircraft propeller. Aircraft noise is noise pollution produced by an aircraft or its components, whether on the ground while parked such as auxiliary power units, while taxiing, on run-up from propeller and jet exhaust, during takeoff, underneath and lateral to departure and arrival paths, over-flying while en route, or during landing.
Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems.
Icing on UAVs is a global phenomenon, and icing conditions at the operational altitude can occur year round around the world. However, icing risks are particularly big in the sub arctics, Arctic and Antarctic. In large parts of the Nordics, for example, icing conditions are present from 35% to more than 80% of the time from September through ...
Noise health effects are the physical and psychological health consequences of regular exposure to consistent elevated sound levels. Noise from traffic, in particular, is considered by the World Health Organization to be one of the worst environmental stressors for humans, second only to air pollution . [ 2 ]
The Childcraft series was originally created in 1934 by W. F. Quarrie & Company, then publishers of the World Book encyclopedia. The series' title was Childcraft – The How and Why Library. Childcraft was created as a sort of encyclopedia for young children.