Earth Day 2015 – It’s Our Turn To Lead

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The theme for the 45th anniversary of Earth Day is ‘It’s our turn to lead. According to, the unique environmental challenges of our time, such as rapidly expanding city populations and climate change, need to be addressed with “smart investments in sustainable technology, forward-thinking public policy, and an educated and active public.” With these, we can transform our cities and forge a sustainable future for ourselves and upcoming generations. has written a number of environment-related posts over the years, so as we mark Earth Day 2015, let’s take a look at some of them: