Talk show with ABC Radio on Harmful Effects of Mercury Added Products on Health and Environment. Most skin whiteners in Bangladesh market contain dangerously high levels of mercury: Study Renewable energy could cut electricity rates by 30% — report Egan: After $700,000 spent on dream home, wetlands freeze leaves them high and dry International Vulture Awareness Day: Is government’s initiative enough to save vultures? Malta farming sees success in Jashore The Best Photos From This Year’s Comedy Wildlife Awards 5 ways we need to adapt to climate change — or pay the price Maharashtra to connect 350 locations into an Eco-tourism circuit

Climate change: Warning from ‘Antarctica’s last forests’


1 Star2 Stars3 Stars4 Stars5 Stars (No Ratings Yet)

Scramble across exposed rocks in the middle of Antarctica and it's possible to find the mummified twigs of shrubs that grew on the continent some three to five million years ago. This plant material isn't much to look at, but scientists say it should serve as a warning to the world about where climate change could take us if carbon emissions go unchecked. The time period is an epoch geologists call the Pliocene, 2.6-5.3 million years ago. It was marked by temperatures that were significantly warmer than today, perhaps by 2-3 degrees globally.

These were conditions that permitted plant growth even in the middle of the White Continent.

Higher, too, were sea-levels. It's uncertain by how much, but possibly in the region of 10-20m above the modern ocean surface. What's really significant, though, is that the amount of carbon dioxide in the atmosphere was very similar to what it is today – at around 400 CO2 molecules for every million molecules of air.

Indeed, the Pliocene was the last time in Earth history that the air carried this same concentration of the greenhouse gas. And it tells you where we're heading if we don't get serious about addressing the climate problem, cautions Prof Martin Siegert from the Grantham Institute at Imperial College London.

For More: https://www.bbc.com/news/science-environment-47806440?intlink_from_url=https://www.bbc.com/news/topics/cmj34zmwm1zt/climate-change&link_location=live-reporting-story

Posted by on Apr 6 2019. Filed under Climate change. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

Leave a Reply

Polls

Which Country is most Beautifull?

View Results

Loading ... Loading ...