levels of air pollution and the long hot season. However, there was a slowdown in sales during the second half of 2019 as a result of the negative economic factors discussed above. Nonetheless , the
. Sales of ‘improved air quality’ products were higher than normal, due to the occurrence of high levels of air pollution, especially in Bangkok and the Central and Northern regions. However, sales at some
and, in the long-term, achieving their nationally determined contributions, or investing in carbon dioxide removal (CDR) technologies such as direct air capture (DAC) with geological carbon storage
Kilometers ( ASK) decreased 14. 7 percent. Asia Pacific had the biggest drop at 23.3 percent, followed by Europe and Middle East at 13.8 and 10.8 percent respectively. (Source: International Air Transport
).; Jacobson, M. Z. (2009). Review of solutions to global warming, air pollution and energy security. Energy & Environmental Science (2), 148-173.; Lechón, Y., de la Rúa, C., & Sáez, R. (2008). Life Cycle
factor (PLF) increased 0.7 percentage point from 2018 - reached a new highest record of 82.6 percent. (Source: International Air Transport Association). Thailand tourism industry in the fourth quarter of
: International Air Transport Association). Thailand tourism industry in fourth quarter of 2018 grew at 4.9 percent. Tourist arrival from Southeast Asia region had the highest growth at 20.4 percent, followed by
, helping to stimulate the air traffic demand ( Source: International Air Transport Association). For the Thailand tourism industry in the first quarter of 2018, the number of international tourist arrivals
, and 5.4 percent growth in Europe. The improvement of the world economy, lower ticket fare, and the increasing of the number of passenger demand are main factors, helping to stimulate the air traffic
to 81.9 percent. (Source:International Air Transport Association) For Thailand tourism industry in the third quarter of 2019, the number of international tourist arrivals to Thailand increased by 7.0