May 13, 2026

Science Chronicle

A Science and Technology Blog

May 13, 2026

Science Chronicle

A Science and Technology Blog

Biodiversity

BidisSmokingTaxesTobacco productsWHO FCTC

India’s new GST rates excerberate tax differences among tobacco products, a contravention of WHO FCTC guideline

By reducing the GST rate for bidis from 28% to 18% while increasing the GST rate for other tobacco products to 40%, the new GST rates, labelled as “landmark tax framework” and “next-generation GST reforms”, are a public health disaster

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AfforestationBiodiversityCarbon sequestrationEcologyMiyawaki forest

Miyawaki forests in urban India are effective for carbon sequestration

While the criticism about high tree density per sq. metre in Miyawaki forests is partly valid, the vertical growth due to high density is not inherently unnatural or detrimental, but rather mirrors early-stage dynamics of natural forest regeneration, and may even enhance carbon sequestration and canopy formation in the short term

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BiodiversityEcologyEnvironmentSpeciation

Peninsular India: how biodiversity changed through millions of years

Biodiversity of peninsular India — home to unique plants and animals, and a dramatic geological history — has responded differentially to geoclimatic history, with a few groups remaining unperturbed by these events while others exhibiting varying rates of speciation.

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BiodiversityClimate changeConservationEcologyEvolutionPrimates

How Climate Change Shaped Northeast Indian Primates

A study found that each species in northeast India responded differently to climate change — some expanded, others shrank, and some speciated. As climate change continues, knowing how species responded before can help conservationists design better strategies. This is important in northeast India, where biodiversity is high but research is limited

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Biodiversity

Editorial: Bar-coding plants

Published in The Hindu on August 17, 2009 It may soon be possible to classify a majority of the more

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Biodiversity

Editorial: Protecting global biodiversity

Published in The Hindu on May 19, 2006 Over the past few decades, human activity in the name of development

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