At the time of writing this article, there are 7.7 billion people that live on earth today. That number keeps on rising because on average, 360,000 people are born every day! We are living in the middle of a crisis. We have too many people and not enough resources to sustain us all. Causes The [...]

China and Pollution

I'm used to the smog. I'd find a day when the sky is blue unusual. -Wolf Hu, Beijing Resident China's pollution problem has been evident for the past years with Beijing cloaked in smog and Shanghai's waterways filled with industrial waste. Pollution causes around 1.6 million premature deaths and around 20 million cases of respiratory [...]

The Evolution of Populations

Welcome to our continuing AP Biology/ General Biology series here on STEM Talks! The purpose of this post is to talk about population evolution Each organism's traits affect its survival and reproductive success compared with those of other individuals. But the evolutionary impact of natural selection is only apparent in how a population of organisms [...]

Environmental Science – Population Dynamics

Hello everyone! In the last Environmental Science talk, we began talking about sustainability. In this talk, we are going to be moving on to the topic of population dynamics. Briefly, population dynamics encompass all the changes in specific or multiple populations, and relating the population to its environment. To understand this and dive deeper into [...]