Homo sapiens means “wise person.” But considering our behaviors that are putting the Earth’s ecosystems at risk, we haven’t been very wise at all. Every single day, many of our personal choices and individual actions negatively impact the environment in myriad ways. From turning on a light switch to throwing away a plastic bottle to having a hamburger, even the most mundane actions have a cumulative negative effect on the Big Blue Marble—the home we share with countless other Earthlings.
Think about that brand-new plastic bag you took home today from the store. That bag can take up to 1,000 years  to fully decompose. And if it doesn’t end up in a landfill, it could end up in the ocean and in the stomach of a fish, bird or dolphin—a fatal occurence that happens all the time. In China, a staggering 3 billion new plastic bags  enter into circulation every single day. The Pacific Garbage Patch , a massive swirling collection of plastic trash in the North Pacific Ocean, is estimated to be anywhere from 270,000 square miles (about the size of Texas) to more than 5,800,000 square miles (up to 8 percent the size of the entire Pacific Ocean).
With all the ways we affect the health of the planet, it’s hard to know exactly what changes might have the greatest impact. Plus, every person is different. Some people drive every day, while others are rarely behind the wheel. Some of us love to buy stuff; others tend to be minimalist.