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Air Pollution Harmful For Insects, Ecosystem: Study

A recent study published in Nature Communications journal explains that air pollution in the urban areas is resulting in serious damage to the ecosystem as it has a direct negative impact on the insects

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Washington D.C.: Heavy pollution in cities is causing serious damage to insects and ecosystem, a recent study suggests. The research revealed that plants exposed to high levels of nitrogen dioxide (NO2), similar to levels recorded in major urban centres, are able to better defend themselves against herbivorous insects. Published in the journal Nature Communications, the study discovered that plants exposed to increased levels of pollution produce more defensive chemicals in their leaves.

Results from the study show that insects feeding on these leaves grew poorly, which suggests high levels of air pollution may be having cascading negative effects on communities of herbivorous creatures.

Also Read: Delhi Schools Preparing Students For Worsening Air Pollution

Stuart Campbell, lead author of the study said, “Nitrogen dioxide is a pollutant that causes severe health problems in humans, but our research has found that it may also be having a significant impact on plants and insects. Insects are a crucial part of nature and the world we live in. Insects are critical to the healthy functioning of ecosystems.”

Many people may be aware that insect pollinators, such as the thousands of species of bees, along with flies, moths, and butterflies, are crucial for food production – but they also ensure the long-term survival of wildflowers, shrubs, and trees, Mr. Campbell added.

Mr. Campbell further explained that insects that feed on plants (herbivorous insects) help return plant nutrients to the soil, and are themselves food for wild birds, reptiles, mammals, and yet more insects.

Also Read: Breathing Problems May Increase In Delhi-NCR Post-Diwali: Experts

Insects are also immensely important for decomposing decaying organic matter and maintaining healthy soils. Scientists are warning about massive declines in insect numbers, which should be incredibly alarming to anyone who values the natural world and our sources of food.

Nitrogen dioxide is a major component of smog and is an example of pollution caused by human activity, particularly our reliance on fossil fuels. Levels of this pollutant in the atmosphere remain particularly high in cities, and especially in the UK. Our research shows another example of the dangers of pollution in our environments and the reasons why we need to make a united effort to tackle it, Mr. Campbell said.

Also Read: As Air Pollution Worsens In Delhi, International And Domestic Tourists Leave The City

NDTV – Dettol Banega Swachh India campaign lends support to the Government of India’s Swachh Bharat Mission (SBM). Helmed by Campaign Ambassador Amitabh Bachchan, the campaign aims to spread awareness about hygiene and sanitation, the importance of building toilets and making India open defecation free (ODF) by October 2019, a target set by Prime Minister Narendra Modi, when he launched Swachh Bharat Abhiyan in 2014. Over the years, the campaign has widened its scope to cover issues like air pollutionwaste managementplastic banmanual scavenging and menstrual hygiene. The campaign has also focused extensively on marine pollutionclean Ganga Project and rejuvenation of Yamuna, two of India’s major river bodies.

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