The global market for Biogas Plants is projected to reach US$6.8 billion by the year 2027, trailing a post COVID-19 CAGR of 6.7% over the analysis period 2020 through 2027. The severe impact of COVID-19 pandemic in areas with high level of air pollution has prompted the researcher community to explore the direct link between severity of the infection and air quality. Various scientists have indicated a perceived association between spread of the virus along with fatality rates and air pollution. Poor air quality adversely affects human health and leaves people susceptible to various infectious diseases including COVID-19. In 2020, medical conditions associated with air pollution are estimated to claim around 7 million lives globally. Air pollution is a key contributor to various medical conditions including heart disease, stroke, chronic obstructive pulmonary diseases, respiratory infections and lung cancer. The impact of pollution on human health and the immune system makes can be hold responsible for severe COVID-19 symptoms experienced by a large number of people living in polluted areas. For instance, Wuhan, the epicenter of the pandemic, is one of the most polluted cities globally. In addition, a significant fraction of fatalities related to COVID-19 in Italy have been registered in areas with poor air quality. Moreover, the COVID-19 virus is carried by polluted air as it can stick to PM10 or PM25 particles to remain airborne for a long time. The fact indicates that areas with high concentration of particulate matter hold high risk of virus transmission.

These perceptions point towards effective measures to implement green options, including biogas, for reducing carbon emissions and air pollution levels. The production and utility of biogas, mainly bio-methane, improves air quality. Biogas presents an eco-friendly substitute to fossil fuels for generating heat and electricity, and supporting transportation. Bio-methane presents an effective option to reduce greenhouse gas emissions and mitigate climate change, which holds positive implications for human health. Cities and countries that have embraced clean air policies such as the use of biogas as transportation fuel are expected to witness less mortality, paving way for effective strategies to promote these sustainable options. The wake of COVID-19 pandemic has provided countries with the unique opportunity for rebuilding on low-carbon, sustainability agendas for dealing with rising concerns over climate change. The scenario has prompted regions to shift away from fossil fuels towards green technologies, with Europe leading the pack in these endeavors. The drive is likely to benefit sustainable options including wind, solar and hydrogen along with biogas that offers more than energy and holds potential to cut greenhouse gas emissions by around 12% by the year 2030. The anaerobic digestion process intended to produce biogas involves treatment of organic waste that otherwise emits hazardous emissions in landfills. The approach converts the waste into green gas that can be exploited for transport, heat and power. In addition, the process yields a carbon-neutral, renewable fertilizer for agriculture. The anaerobic digestion treatment reduces carbon emissions from the farming, energy, food processing and waste management industries, while creating new job opportunities.

These gains are driving policymakers to incorporate biogas into initiatives aligning with the Paris Agreement on Climate Change. Biogas is anticipated to gain further from increasing focus of participants across different industries to exploit the approach for betterment of the society while mitigating the climate change. Exploitation of renewable energy resources is being increasingly acknowledged worldwide in preparation to serve the higher and increasing energy needs in the 21st century. This is reflected in the rapid growth in the global wind and solar power market. Driven by growing environmental concerns over excess use of fossil fuels, and constant escalation in crude oil prices, renewable energy is gaining in popularity. Energy being a prime requirement for all activities, the global cost of industrial activity is therefore dependent on overall prices of crude oil. With costs of energy projected to only increase further owing to the over exploitation of hydro-carbon reserves, there is an urgent need for alternative sources to arrest escalating energy costs, thereby providing the perfect platform for ocean energy harvesting. Further, the rising costs of conventional power-generation fuels, such as natural gas and coal, and increasingly stringent emission regulations, are leading to heightened interest in renewable power generation. As the need for cost-effective and climate-friendly energy resource heats up across the world, a wide range of renewable energy sources - biomass, hydropower, wind, solar, geothermal, tidal and wave power have gained stable popularity worldwide, and are especially more popular in Europe and Asia. Biomass & Waste accounts for 65% of renewable energy in Europe, and bio-energy will play a vital role in accomplishing the ambitious targets set upon by the renewable energy directive.