Knowledge is power. Learn what's going on in the world so you can take action. Start by going online and searching for environmental topics that are most relevant to you. Bookmark the most helpful websites, and sign up for newsletters, news feeds and action networks. That way, it's easy to stay up to speed no matter how busy life gets. Your friends are another great resource. Strike up a conversation about the environment, and find out other people's ideas, tips, concerns and internal debates. When it comes to global warming and other urgent threats, being engaged and informed is critical. Bone up today - so that future generations have a tomorrow.