Air pollution is a major public health concern worldwide. It is always important and interesting to know which countries have the dirtiest and cleanest air in the world, which may vary over different time periods. In a previous essay, top 10 countries with the world’s dirtiest air in 2019 was introduced. However, it remains interesting for me to know which countries have the … [Read more...] about Top 10 Countries with The World’s Dirtiest and Cleanest Air, 1990-2017
According to World Health Organization, 92% of the world’s population are living with unsafe levels of air pollution, and more than 7 million premature deaths annually are linked to polluted air. It was estimated that the world’s population had reached 7.8 billion as of March 2020. However, over 70 percent of the world’s population live in the top 20 most populous countries. … [Read more...] about Air Pollution in Top 20 Most Populous Countries in 2019
According to the latest World Air Quality Report released by IQAir AirVisual, the most polluted country in 2019 was Bangladesh, with average annual PM 2.5 concentration of 83.3 μg/m³, followed by Pakistan, Mongolia, and Afghanistan. Of the 10 countries with the world’s dirties air in 2019 (Figure 1), eight are Asian countries, and the remaining two are in the Middle East. China … [Read more...] about 10 Countries with the World’s Dirtiest Air in 2019
Over the next 30 years, Sub-Saharan Africa’s population is expected to double, adding an additional one billion people, said a new UN Population Division report released on 17 June 2019. It is further projected that the region’s population will still be rising fast at the end of the century, when the number of people in other regions on Earth will be reducing.The UN report … [Read more...] about Sub-Saharan Africa Population Will Double by 2050, Amazing or Alarming?
The following is a full list of nations or territories ranked by their fossil CO2 emissions per square mile in 2017 (in tonnes of CO2). For each nation, the estimates of fossil CO2 emissions per square kilometer (in tonnes of CO2), fossil CO2 emissions per capital (in tonnes of CO2), and total fossil CO2 emissions (in million tonnes of CO2) in 2017 are also presented. All … [Read more...] about List of Countries by Fossil CO2 Emissions Per Square Mile in 2017