We all know that climate change is a pressing issue, but it can be hard to know where to start when it comes to making a difference. As an environmentalist, I've spent years studying the impact of human activity on the planet, and I'm here to tell you that the situation is more dire than you might think. You may have heard the term "carbon footprint" before, but do you know what it really means? Essentially, your carbon footprint is a measure of the amount of greenhouse gases that a...