Mechanised Sand Mining to Attract Criminal Action

Facing strong criticism from the Opposition and environmentalists over wisespread quarrying of sand in the Tamirabarani river basin in Tirunelveli and Thoothukudi districts and Palar river basin in Vellore and Kanchipuram, chief minister M. Karunanidhi ordered the ban on mechanised sand quarrying.

The World Is Running Out of Male Sea Turtles – Science Alert

Green Sea Turtle (by Laura Gooch CC BY-NC-ND 2.0 DEED via Flickr).

Green sea turtles are already an endangered species, mainly due to humans hunting them, harvesting their eggs, degrading their habitats, or entangling them in garbage of some kind. But they also face another, more insidious threat from people: the loss of male hatchlings from the species…that this is partly caused by rising temperatures due to climate change – but a new study has now unveiled another human-caused problem driving this trend. Certain pollutants may promote feminization in sea turtles, explains lead author Arthur Barraza, a toxicologist with the Australian Rivers Institute at Griffith University…

S A N D : Essential . . . Unregulated . . . and Dwindling

Sand Mining in Quarry Lake, Tahirpur, Bangladesh (by Hasin Hayder on unsplash).

“Sand is the foundation of human construction and a fundamental ingredient in concrete, asphalt, glass and other building materials. But sand, like other natural resources, is limited and its ungoverned extraction is driving erosion, flooding, the salination of aquifers and the collapse of coastal defences…”

Science Denial Has Impacts

Speech by the NATO Secretary General at a Joint Meeting of the US House of Representatives and Senate 2019 (by NATO CC BY-NC-ND 2.0 via Flickr)

Neil deGrasse Tyson, an American astrophysicist, author, and science communicator, made a wonderful statement some time ago, that is worth sharing – “The good thing about science is that it’s true, whether or not you believe it”. Science is really not an option. Whether biology, chemistry, physics, oceanography, geology or astronomy, scientists in these disciplines over centuries of research, conducting experiments, collecting evidence, and testing and examining their ideas have gradually developed an understanding of how the Earth and its life works. And much of our everyday lives depends on the application of that science…