greenhouse gas emissions / home builder / Roof-mounted photovoltaic systems / electricity / natural-gas-fired furnace / enormous media coverage / renewable energy sources / green electricity / fossil-fuel-based energy / less energy / energy use / solar energy / electricity needs / greenhouse gas / renewable energy equipment / hot water equipment / fossil-fuel-based energy use / energy / /
Person
Bolko von Roedern / /
Position
research scientist / solar collector / architect / roof-mounted / solar collector / /