Tricolored heron at the Armand Bayou waterfowl rookery in Harris County, Texas. http://corporate.exxonmobil.com/en/community/corporate-citizenship-report http://www.landtrustalliance.org/publication/establishing-conservation-easements-corporate-lands-guide-corporations-and-land-trusts http://www.landtrustalliance.org/publication/establishing-conservation-easements-corporate-lands-guide-corporations-and-land-trusts http://www.landtrustalliance.org/publication/establishing-conservation-easements-corporate-lands-guide-corporations-and-land-trusts http://www.landtrustalliance.org/publication/establishing-conservation-easements-corporate-lands-guide-corporations-and-land-trusts Environmental performance exxonmobil.com/citizenship Decommissioning Throughout the Upstream asset life cycle — from exploration to decommissioning — care is taken to limit disruptions to local communities and protect the environment.