Answer the following within a word limit of 600 words:
Q1: What are you doing at home to reduce energy use from household appliances?
Q2: Can recycling help save energy and reduce landfills?
Q3: 350.org and other energy groups have set a goal to keep the atmospheric CO2 levels from exceeding 400 ppm by the year 2020. This goal is both possible and economically prudent, yet skepticism remains.
Q4: What do you see as the reasons for both techno-optimism and pessimism related to the goal of stabilizing climate change through changing the energy economy?