A significant proportion of Eastern Africa is a relatively poor with a predominately rural population and lack access to modern energy services. Reliance on traditional biomass has created severe problems for both the environment and the health of the population: improved access to cleaner fuels would solve this and achieve multiple policy goals. The Global Change Assessment Model (GCAM) is utilised to simulate future scenarios. The study suggests the optimal subsidy policy implementation and recommendations.
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Achieving a decarbonised electricity sector is difficult, the main problem lies in integrating new energy sources e.g. Renewable Energy Sources (RES) into existing energy systems. This research is focused on achieving a decarbonised electricity sector in Greece and include both generating and storing clean energy at the local level. The DREEM model was calibrated for the case of Greece and simulated for 3 scenarios. Resulting with 2 policy scenarios.
CO2 emissions from non-electricity energy uses, e.g., industry, transport, and heating, are the greatest impediment to meeting Paris Agreement ambitions. For 1.5°C temperature increase limit; negative emissions technologies will become a necessity and implies a remaining carbon budget of just 200 billion tons of CO2 until 2100. Compared to the 4,000 billion tons of CO2 that would be emitted until 2100 if current trends continue. Future CO2 emissions must be kept within a finite budget.
Part of the transformation to meet climate change mitigation goals will be a reduction in GHG emissions from the energy sector in the EU and Member States. This may involve large economic costs, particularly for investments. The ‘carbon bubble’ is a major financial concern, which may arise through the transition into a low carbon economy. Analysis suggests that investors’ risk perceptions of renewables have more of an impact than the perceived risk of fossil fuels.
Low carbon investments need to increase if the world is to achieve the Paris Agreement aim of keeping global warming below 2°C. A fundamental transformation of the global energy system can be achieved with a comparatively modest increase in overall investments. Shift of investments away from fossil fuels and toward renewables/energy efficiency is needed. Current incentives like the NDCs will not provide sufficient impetus for the “pronounced change” that are needed for the energy system.
Evaluation of climate change mitigation policy is critical for how well policies and measures work. Offering insights in the functioning of policies can enhance the transparency of policy implementation, which is essential to gain citizens’ support for those policies. The CARISMA project team carried out a meta-analysis of climate policy evaluations in EU Member States and found that the energy sector is dominant in policy evaluations. Supports future EU legislative proposals and accompanying impact assessments.
Climate change governance requires the involvement from many actors and institutions on various levels, the European Union needs this to mitigate climate change. There are challenges to the EU’s climate governance and leadership regarding policies, interests, and lack of appetite for further integration. The EU can address these challenges internally, by increasing its climate mitigation ambitions, and externally, by reclaiming the mantle of international climate leadership.
Photovoltaics (PV) has become the cheapest source of electricity in many countries and every two years, the capacity is roughly doubled, but it is uncertain if this growth will be sustained. If potential barriers to deployment are addressed, PV could cost-competitively supply 30-50% of global electricity by 2050. Two potential barriers which need to be addresses could hinder continued growth: integration challenges, as many options exist, and the financing costs require international cooperation.
The Paris Agreement forms the basis for new international cooperation on climate change mitigation. However, the achievements in Paris do not mean that the UN climate regime is the only regime for climate action and other international legal regimes, climate coalitions and actions by non-Party stakeholders can play a complementary role to the Paris Agreement. Provides an overview of climate action undertaken outside of the UNFCCC context and this trend will likely continue beyond Paris.