Monday, 24 January, 2022
TopicExtinction

Topic: Extinction

Mahogany, oak, maple — One-third of world’s tree species are nearing extinction

When my colleagues and I first came up with the idea of a worldwide assessment of tree species, it seemed like an impossible task.

31 species extinct, all freshwater dolphins threatened — IUCN releases updated Red List

In the Red List of Threatened Species released this month, 35,765 species are threatened with extinction, but there are some success stories as well.

Yale study finds why large mammals like elephants, tigers still exist in India

First of its kind study finds that rate of extinction of animals weighing over 50 kg over the past 30,000 years is lowest in India, & points to co-evolution of humans and mammals.

Indian lions at risk of extinction due to lack of genetic diversity, suggests study

The study claims that due to centuries of inbreeding, Indian lions have cranial defects, low sperm count and testosterone levels, as well as smaller manes.

Don’t go by global Red List on animals at risk. They mislabel many

The Red List is the only one of its kind. But it can be inaccurate because it fails to acknowledge uncertainty.

Human beings are pushing larger animals like rhinos & elephants to extinction faster

The future belongs to smaller, faster, more fecund, more generalist and preferentially insect-eating species.

If climate change doesn’t slow down, many bird species will be on brink of extinction

A new study has found that birds are changing their reproduction and migration patterns to cope with the climate crisis but not fast enough.

A shocking new report reveals 1 million plants & animals will disappear in a few decades

Human activity has 'significantly altered' 75% of our planet's land and 66% of the ocean and led to an extinction crisis.

Human-caused climate change causes first extinction of a mammal

Australian researchers concluded that human-induced climate change was 'the root cause of the loss of the Bramble Cay melomys'.

On Camera

YourTurn

Liberals mourning India Gate flame must also recall some dark aspects of the colonial Army

The moving of the flame seems, to some, as part of an ongoing extinguishing of the Indian Army’s heritage of secularism, decency and righteousness.

South-East Asia’s SMEs are underperforming. Their ‘digital revolution’ depends on fintech

Digitisation of South-East Asia's economy during the pandemic is uneven. The growth in digital services has favoured individual consumers, not SMEs.

Defence

File photo of Scorpene-class submarine 'INS Vela', at the Naval Dockyard in Mumbai | ANI

Kamov choppers, submarine torpedoes among deals defence ministry will review this week

Ministry is reviewing all procurement under the ‘Buy (Global)’ category, under which equipment is bought directly from foreign manufacturers, amid govt's 'Atmanirbhar' push.

Modi vs non-BJP CMs: When most popular isn’t all-powerful & why Centre-state ties will worsen

Modi’s inability to win many states, and the huge popularity his rivals enjoy there, is pushing Indian politics in a more robustly federal direction.
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