Legislation

American Clean Energy & Security Act of 2009
This Act, passed by the House of Representatives, is comprised of two separate pieces of legislation focused on using trees and green roofs to reduce energy use–

1. The Energy Conservation Through Trees Act - This legislation assists energy companies in planting shade trees to reduce energy usage.
   
2. Green Resources for Energy Efficient Neighborhoods (GREEN) Act - This legislation establishes energy efficiency standards for residences under the jurisdiction of HUD, requiring they build green roofs, plan for green space and tree canopy cover.
   

ASLA - The Dirt article

Alliance for Community Trees article

Green Communities Act
This Act would authorize $120 million in funding for community based greening in cities.
Alliance for Community Trees article