The Environmental Protection Agency (EPA) has introduced new
and stricter standards for greenhouse gas emissions in the US from heavy-duty
vehicles of model year 2027-2032.
In the US, transportation makes up the largest portion of the country’s carbon footprint. Heavy duty vehicles like big rigs and buses are considered a major source of pollution and contribute to a quarter of the US’ transportation-related greenhouse gas emissions – hence greatly impacting the climate.
In a survey carried out by Statista Consumer Insights of 38 countries, only between 20 and 45 percent of respondents said that they considered environmental protection a major issue for their country. Respondents who belonged to Brazil were the most concerned about the environment, with those in Mexico, Peru and Colombia also rating environmental protection as more essential compared to most countries in the survey.
Air pollution is considered to be extreme environmental health hazard to humankind, becoming a reason for over six million deaths a year and an economic cost that is equal to over $8 trillion dollars. This analysis is according to the World Air Quality Report 2022 released on Tuesday by IQAir, a Swiss air quality technology company. The analysis revealed that out of a surveyed 131 countries, regions and territories, only 13 resulted in meeting World Health Organization air guidelines of annual PM2.5 concentrations at or below 5 μg/m3 in 2022, many of which were in Oceania.
Plastic when first appeared, it attracted attention as the
miracle material. Plastics made it possible for man to reach moon, it
modernized medicine, and helped make computers and cellphones possible.
Other than these benefits, plastic has a darker side. The
world generates over 350 million tons of plastic waste every year, and over
one-fifth of that is mishandled. As a result, plastic waste can now be found
everywhere on Earth, from the highest peaks to the deepest seas. There is also proof
that plastics at the Nano scale can pass through cell walls.
This infographic takes data from Keeping America Beautiful’s
2020 National Litter Study and asks the question: what is the most littered single-use
plastic item in the United States?
Looking at snow up close will probably make you notice that
it is formed from thousands of little flakes which have stunningly complex
designs.
These snowflakes are actually ice crystals. They are formed
in the atmosphere, up in the clouds, and transform along their journey to Earth,
all thanks to different factors and forces that are involved in the process.
Let’s look at the facts on how snowflakes are formed, and
what atmospheric conditions are involved that contribute to the stunning
details we have come to know them for.
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