Share this on WhatsApp Around 15,000 years ago, the Earth’s climate was in turmoil. Carbon dioxide concentrations were rapidly rising in the atmosphere. Sea levels were rising across the globe. The Northern Hemisphere was heating up. At the same time, the area around Antarctica began to cool down. And as it cooled, a perplexing trend […]
Share this on WhatsApp As we manage the COVID-19 catastrophe, we need to remember that in a world with an increasing global population, migrations, climate change and dramatic increases in global travel, such events are likely to occur more frequently. We need to consider the level of societal resources we’re prepared to spend to prevent […]
Share this on WhatsApp Domestic cats that live or go outside kill lots of wild animals. Recent studies find that outdoor cats in North America take out between ten and thirty billion birds and mammals each year. Still, it hasn’t been clear what kind of an impact the world’s 600 million pet cats have on […]