A group of climate activists in Boston blocked several major traffic routes in the city on Wednesday in an effort to raise attention to the "climate emergency" and to pressure Massachusetts lawmakers to ban new fossil-fuel infrastructure. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/