unassisted), hand excavation/digging (using shovels/picks), carrying and climbing ladders, operating electrical tools (drills, saws, etc.), using hand tools (screw drivers, wrenches, hammers, etc.) and providing services under varying weather conditions. Whether it''s reducing methane emissions at agricultural facilities and landfills, repurposing contaminated properties, producing alternative energy, or sequestering carbon, we''ve been focused on finding smart climate solutions and improving the natural environment since our inception over 50 years ago.