The Environmental Protection Agency took a significant step yesterday when it issued a final ruling that carbon dioxide and 5 other greenhouse gases endangered people’s health. By signaling that the US is serious about curbing emissions, the ruling strengthens President Obama’s hand in Copenhagen.

CITY TECH BLOG
Understanding the Urgency of Climate Change By City Tech Blogger Michalis Photiou
Climate change is one of the greatest challenges humanity is currently facing. The consequences of climate changes have already begun to affect every aspect of our lives. In this essay, we will explore two of the many impacts of climate change. First, one of the most significant impact