Indoor air pollution and household energy: the forgotten 2.6 billion. Around 2.6 billion people still cook using
solid fuels
(such as wood, crop wastes, charcoal, coal and dung) and kerosene in open fires and inefficient stoves. Most of these people are poor, and live in low- and middle-income countries.
Which of the following can be used as a cooking fuel that does not cause any pollution?
Cooking fuel used : Amongst the various options available for cooking fuel, firewood,
biomass and pellet
are the most polluting, kerosene is relatively cleaner, and natural gas and Liquefied Petroleum Gas (LPG) are the cleanest option with LPG emitting 50 times fewer pollutants than biomass burning.
What percentage of the world’s population depend on solid fuels for cooking and heating?
According to current World Health Organization estimates,
more than half of the world’s population
(52%) cook and heat with solid fuels, including biomass fuels and coal (2).
Which one of these is the most commonly used fuel in rural kitchen?
The most common fuel used for cooking and heating is
wood
, followed by other solid biomass fuels, such as charcoal, dung, agricultural residues and sometimes even leaves and grass. These fuels are often collected from the local environment in rural areas and are purchased through markets in urban areas.
How many deaths are caused annually by exposure to household air pollution?
Indoor air pollution is a leading risk factor for premature death. The IHME estimates it’s responsible for
1.6 million deaths
each year. The WHO puts this figure at 4.3 million. 6% of deaths in low-income countries are attributed to indoor air pollution.
How many people still rely on wood coal charcoal for cooking and heating?
Of that, about 2.5 billion people depend on traditional biomass fuels (wood, charcoal, agricultural waste, and animal dung), while
about 400 million people
use coal as their primary cooking and heating fuel (UNDP and WHO 2009).
What is natural solid fuels?
Solid fuel refers to various forms of solid material that can be burnt to release energy, providing heat and light through the process of combustion. … Common examples of solid fuels include
wood, charcoal, peat, coal, hexamine fuel tablets
, dry dung, wood pellets, corn, wheat, rye, and other grains.
Which is the least polluting fuel for vehicles?
c) Least polluting fuel for vehicles is
Compressed Natural Gas(CNG)
.
Which fuel causes least pollution?
Natural gas
is the cleanest fuel and causes the least pollution when burnt compared to petrol, diesel and coal.
Is the cleanest burning fuel so its use is being promoted in vehicles?
The use of Compressed Natural Gas (CNG) as a transport fuel is a mature technology and widely used in parts of the world. Although compressed natural gas is a fossil fuel, it is the cleanest burning fuel at the moment in terms of NO
x
and soot (PM) emissions.
Which fuel is best for kitchen?
Wood, crop wastes, coal, dung, and charcoal
are the most widely used cooking fuels.
What are the 3 types of fuel?
There are three types of fossil fuels which can all be used for energy provision;
coal, oil and natural gas
.
What kind of fuel is used in most houses?
- electricity—all types of energy end uses.
- natural gas—space and water heating, clothes drying, cooking.
- heating oil—space and water heating, clothes drying.
- LPG/propane—space and water heating, clothes drying, cooking.
- kerosene—space heating.
What are the 4 major indoor air pollutants?
The Environmental Protection Agency has noted that
excess moisture, volatile organic compounds, carbon monoxide, and radon
are four major indoor air pollutants.
Who died from air pollution?
More than 10 million people
die each year from air pollution, according to a new study — far more than the estimated 2.6 million people who have died from Covid-19 since it was detected more than a year ago.
What are the 10 causes of air pollution?
- The Burning of Fossil Fuels. …
- Industrial Emission. …
- Indoor
Air Pollution
. … - Wildfires. …
- Microbial Decaying Process. …
- Transportation. …
- Open Burning of Garbage Waste. …
- Construction and Demolition.
