Retired from Southern Cross University
Question
Asked 27th Mar, 2023
What are the current challenges and solutions to minimize the level of pollution and exhaustion of fossil fuel supplies impacting the climate change?
Energy is at the heart of the climate challenge – and key to the solution. A large chunk of the greenhouse gases that blanket the Earth and trap the sun’s heat are generated through energy production, by burning fossil fuels to generate electricity and heat.
Fossil fuels, such as coal, oil and gas, are by far the largest contributor to global climate change, accounting for over 75 percent of global greenhouse gas emissions and nearly 90 percent of all carbon dioxide emissions. The science is clear: to avoid the worst impacts of climate change, emissions need to be reduced by almost half by 2030 and reach net-zero by 2050. To achieve this, we need to end our reliance on fossil fuels and invest in alternative sources of energy that are clean, accessible, affordable, sustainable, and reliable. Renewable energy sources – which are available in abundance all around us, provided by the sun, wind, water, waste, and heat from the Earth – are replenished by nature and emit little to no greenhouse gases or pollutants into the air. Fossil fuels still account for more than 80 percent of global energy production, but cleaner sources of energy are gaining ground. About 29 percent of electricity currently comes from renewable sources.
source: Renewable energy – powering a safer future | United Nations
All Answers (3)
Nepal Electrical Authority
The current challenges related to minimizing pollution and exhaustion of fossil fuels and their impact on climate change are significant and complex. Here are some of the challenges and potential solutions:
Increase the use of renewable energy sources: One of the primary challenges is the heavy reliance on fossil fuels for energy. The solution is to increase the use of renewable energy sources such as solar, wind, hydro, and geothermal power. Governments can provide incentives for the development and deployment of renewable energy technologies and promote their adoption.
Improve energy efficiency: Another challenge is the inefficiency of energy usage in buildings, industries, and transportation. The solution is to improve energy efficiency by implementing measures such as energy-efficient building designs, fuel-efficient transportation, and industrial processes. This can help reduce the demand for energy and the associated emissions.
Implement carbon pricing: Another solution is to implement carbon pricing policies that place a price on carbon emissions to reflect the cost of climate change. This can incentivize businesses and individuals to reduce their carbon emissions and promote the transition to renewable energy sources.
Enhance carbon capture and storage (CCS) technologies: Another solution is to enhance CCS technologies, which capture carbon emissions from industrial processes and store them in underground geological formations. This can help reduce the amount of carbon dioxide released into the atmosphere.
Increase public awareness and engagement: Finally, a crucial solution is to increase public awareness and engagement on climate change issues. Governments can implement educational programs and public campaigns to promote awareness and encourage individuals to take action to reduce their carbon footprint.
University of Sharjah
Climate change is a complex issue that requires a multifaceted approach to address. There are several challenges and potential solutions related to minimizing pollution and exhaustion of fossil fuel supplies impacting climate change, some of which are outlined below:
Challenges:
- Dependence on fossil fuels: The global economy is heavily reliant on fossil fuels, which make up the bulk of the world's primary energy supply. This dependence on non-renewable sources of energy has led to the release of large amounts of carbon dioxide and other greenhouse gases, contributing to climate change.
- Lack of political will: Despite the growing recognition of the need to address climate change, political will to implement effective policies and regulations is often lacking or inconsistent, which limits progress.
- High cost of renewable energy: While renewable energy sources such as solar, wind, and hydropower are becoming more cost-competitive, they still require significant investment and can be more expensive than traditional fossil fuels in the short term.
Solutions:
- Transition to renewable energy: Shifting from fossil fuels to renewable energy sources is essential to reduce greenhouse gas emissions and mitigate climate change. This requires a significant investment in research and development, as well as the implementation of policies and regulations that incentivize the use of renewable energy.
- Energy efficiency and conservation: Reducing energy consumption through energy-efficient buildings, appliances, and transportation can also help to reduce greenhouse gas emissions.
- Carbon capture and storage: Technologies such as carbon capture and storage (CCS) can help to reduce the amount of carbon dioxide released into the atmosphere by capturing it before it is emitted and storing it underground or in other locations.
- Investment in sustainable transportation: Encouraging the use of electric vehicles, public transportation, and active transportation such as cycling and walking can also help to reduce greenhouse gas emissions.
- Collaboration and international cooperation: Climate change is a global issue that requires international cooperation and collaboration. Encouraging partnerships between countries and investing in international initiatives such as the Paris Agreement can help to mitigate the effects of climate change.
Overall, addressing the challenges associated with climate change will require a concerted effort from governments, businesses, and individuals. By implementing a range of solutions, we can work towards a more sustainable future for our planet.
You can refer to more in this paper
Similar questions and discussions
What are the most recent advances and greatest challenges to implement AI, Bloickchain and the IoT in Healthcare sector, and the AI assessment tools?
Eduard Babulak
AI in the healthcare sector is a broad term that refers to the use of machine learning algorithms to imitate human cognition to analyze, understand and present complex medical data.
Invest in high value AI use cases in healthcare
It is important to use machine learning in areas where it can provide effective solutions.
- Good fit for ML: Most of these areas that present complex problems and large volumes of related data.
- Good fit for rules-based solutions: Simple problems with known solutions.
- Humans: Domains with limited data and complex problems. However, approaches like few shot learning can change this in the future.
source: AI in Healthcare: Benefits and Challenges in 2023 https://research.aimultiple.com/healthcare-ai/
How to generate a Random Walker for the Image Segmentation and is there a soure code and tools available to model and similate a real case scenarios?
Eduard Babulak
Image segmentation has often been defined as the problem of localizing regions of an image relative to content (e.g., image homogeneity). However, recent image segmentation
approaches have provided interactive methods that implicitly define the segmentation problem relative to a particular task of content localization.
The random walker algorithm determines the segmentation of an image from a set of markers labeling several phases (2 or more). An anisotropic diffusion equation is solved with tracers initiated at the markers’ position. The local diffusivity coefficient is greater if neighboring pixels have similar values, so that diffusion is difficult across high gradients. The label of each unknown pixel is attributed to the label of the known marker that has the highest probability to be reached first during this diffusion process. In this example, two phases are clearly visible, but the data are too noisy to perform the segmentation from the histogram only. We determine markers of the two phases from the extreme tails of the histogram of gray values, and use the random walker for the segmentation.
source:
Random Walks for Image Segmentation by Leo Grady
c) https://scikit-image.org/docs/stable/auto_examples/segmentation/plot_random_walker_segmentation.html
EM509 Stochastic Processes Project : Random Walks for image segmentation: First random walks are introduced in the order of 1D (without barriers and with barriers), 2D (without barriers and with barriers). Then Markov property is explained. The Markov property is proved for the 1D simple case and a complicated 2D case with both absorbing and reflecting barriers. Image segmentation problem is introduced from an application point of view and converted into a mathematical formulation. Random walker algorithm for image segmentation is introduced and it is proven to be a Markov process. The study is concluded by implementing the Random Walker algorithm and testing it by segmenting a set of images.
source:
2) 24 - Random Walker segmentation in Python - https://www.youtube.com/watch?v=6P8YhJa2V6o
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