grassland

Sahara turned from lush green grassland to a barren wasteland just 4,000 years ago and triggered a megadrought that crippled Southeast Asia for 1,000 years Researchers reconstructed the past climate using evidence from caves in Laos They combined this with models to simulate the effects of the Sahara drying up     The rise in airborne dust … Read more

Sahara turned from lush green grassland to a barren wasteland 4,000 years ago and triggered a megadrought that crippled Southeast Asia for 1,000 years Researchers reconstructed the past climate using evidence from caves in Laos They combined this with models to simulate the effects of the Sahara drying up     The rise in airborne dust cooled … Read more