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By Mark DaCosta- Many Guyanese have heard about climate change formerly known as global warming. However, it is evident to analysts that people – particularly in developing countries such as Guyana – lack an adequate understanding of the issue. Considering that the matter will have an impact on everyone worldwide, it is important to learn about it because climate change is currently affecting ecosystems, economies, and societies across the world.
Climate change refers to long-term shifts in temperature patterns and weather conditions, primarily caused by human activities. Guyana, being a coastal country, will continue to be heavily affected.
Experts say that climate change will result in alterations to Earth’s climate system over an extended period, perhaps decades or even longer. It is driven by a combination of natural processes and human activities – with the latter being the main driver in recent times. The burning of fossil fuels, deforestation, industrial activities, as well as changes in agricultural practices have significantly increased greenhouse gas (GHG) emissions, leading to a rise in global temperatures. Those gases are mainly carbon dioxide and methane.
Human-induced climate change is primarily caused by the burning of fossil fuels, such as coal, oil, and natural gas for energy production. Deforestation, which reduces the Earth’s capacity to absorb carbon dioxide, also plays a major role. Other factors include industrial processes, land-use changes, and the release of synthetic chemicals into the atmosphere
To clarify, carbon emissions are increasing in industrialised countries. While, at the same time, forests such as the Amazon are being depleted.
The impacts of climate change are, and will be far-reaching and diverse. Rising temperatures lead to the melting of glaciers and polar ice caps, causing sea levels to rise. This poses a huge threat to coastal communities – including Guyana’s capital city, and other parts of our heavily populated urban areas. Also, the increasing frequency and intensity of storms accelerates coastal erosion that will lead to increased flooding. This issue – which may be Guyana’s biggest concern – will be examined in another article.
Changes in worldwide rainfall patterns will also result in droughts, and water scarcity. This will, in turn, have negative effects on agriculture, food security, and freshwater resources. Additionally, climate change disrupts ecosystems, leading to the loss of biodiversity and the spread of vector borne diseases such as malaria and dengue.
Experts say that addressing climate change requires a two-pronged approach: mitigation and adaptation. Mitigation involves reducing greenhouse gas emissions to limit the extent of climate change. This can be achieved through transitioning to renewable energy sources, improving energy efficiency, promoting sustainable transportation, and adopting environmentally friendly practices.
Adaptation focuses on adapting to the changes that are already occurring or are inevitable. This includes developing resilient infrastructure, implementing sustainable land management practices, and enhancing disaster preparedness. Clearly, in both mitigation and adaptation, governments must take the leading role and populations must play our part.
Climate change is a global challenge that will require international cooperation and collective action by everyone on earth. The United Nations Framework Convention on Climate Change (UNFCCC) serves as the main international platform for addressing the issue. The Paris Agreement – adopted by the international community in 2015 – is a document that aims to limit global warming to well below 2 degrees Celsius above pre-industrial levels. The agreement articulates efforts to limit the Earth’s temperature increase to 1.5 degrees Celsius. It emphasises the need for countries to enhance their mitigation and adaptation efforts, and provide financial and technical support to developing nations such as Guyana that may lack the capacity to deal with the challenge.
As has been stated, while international agreements and government policies are crucial, individual, community, and regional actions also play a vital role. Reducing personal carbon footprints by conserving energy, using public transportation, and adopting sensible consumption habits can make a difference. Supporting renewable energy initiatives, participating in local environmental projects, learning about the matter, and raising awareness are essential steps in which ordinary Guyanese should become involved.
Climate change poses a significant threat to our cities, towns, regions, country, and our planet and its inhabitants – humans, animals, and plants. It is a complex issue that requires a comprehensive response from governments, businesses, communities, and individuals. By understanding the causes and effects of climate change and taking measures to reduce emissions and adapt to its impacts, Guyanese can play a part in working towards a more sustainable future.