Fossil Free Future and Renewable Energy Exploration
Fossil Free Future
- Exploration of the possibility of a fossil-free future.
- Emphasis on the usage of renewable energy.
Goals for the Week
- Understand global energy production challenges and opportunities.
- Recognition that the USA has potential for improvement in energy practices.
- Discussion on surprising positive developments within the USA's renewable energy sector.
- Optimistic perspective on progress towards sustainability.
Energy Production Challenges
- Global Transformation:
- An inquiry into the speed at which global changes can occur regarding energy.
Renewable Energy Sources
Solar Energy:
- Direct Solar Energy: Available continuously but varies by geography and weather conditions.
- Passive Solar Energy: Utilizes solar energy without mechanical devices to distribute heat.
- Active Solar Energy: Involves mechanical devices (pumps, fans) for heat distribution.
- Photovoltaic Cells:
- Converts solar energy directly into electricity.
- Eco-friendly with low maintenance in various applications (e.g., rural areas).
Biomass:
- Renewable if harvested sustainably.
- Converted into biogas or liquids (e.g., ethanol).
- Has historical significance as a fuel source.
- Advantages: Reduces fossil fuel dependency, utilizes waste, can be carbon-neutral.
- Disadvantages: Land and water use, potential pollution, deforestation.
Wind Energy:
- Currently the fastest-growing energy source.
- Wind is derived from solar heating; efficiency varies.
- Major producers include China and the USA.
- Advantages: Low environmental impact, clean.
- Disadvantages: Cost, inefficiencies, and opposition (NIMBY).
Hydropower:
- Most efficient and widely utilized renewable energy source.
- Challenges include ecological impact on river systems.
Geothermal Energy:
- Utilizes subsurface temperature differentials for heating.
- High installation costs; leading in energy for countries like Nicaragua.
Nuclear Energy:
- Second largest renewable source; controversial due to safety concerns.
Emerging Sources:
- Tidal Energy: High initial costs; potential for future viability.
- Fuel Cells: Produce energy through hydrogen-oxygen reactions.
Global Rankings and Contributions
- Top Renewable Energy Producers:
Countries like China, the USA, and Germany lead in solar, wind, and hydropower. - USA Performance in Renewables:
- Second in both wind and biomass, and significant in geothermal and solar post China.
- Employment opportunities in renewables connected to state-level shifts.
Political and Economic Factors
- Policy Changes:
- Historical shifts in administration impact renewable energy strategies and funding.
- Investment Trends:
- Projected spending on renewable energy greatly surpassing fossil fuels.
- Investment in Climate Projects:
- World Bank's commitment to funding climate action post 2019.
- Tax and Subsidy Considerations:
- Examine the financial implications of energy sources through taxes and government incentives.
Renewable Energy Goals in New York State
- Targets include achieving significant renewable energy use by 2030 and 2040.
Class Activities and Discussions
- Preparation for debates on renewable energy transitioning strategies.
- Collaborative assessments and closing arguments in classroom settings.
- Discussions around optimism regarding the transition to renewable energy.