Reducing carbon footprint through renewable energy involves transitioning from fossil fuels to clean and sustainable energy sources. This shift helps decrease greenhouse gas emissions associated with energy production and consumption.

Here are ways to achieve this reduction and some technologies that play a crucial role in mitigating greenhouse gases:

It's important to note that the effectiveness of these technologies and measures depends on factors like regional energy availability, infrastructure, policy support, and public awareness. A comprehensive approach to reducing carbon emissions often involves a combination of these strategies and continuous efforts to transition to a sustainable and low-carbon energy system.

Dr Gaurav H Tandon thank you for your contribution to the discussion

As a greenhouse gas, carbon dioxide traps heat in the earth's atmosphere, contributing to global warming. In contrast, renewable energy sources like solar and wind power don't produce carbon emissions as part of the electricity generation process. Instead they harness the natural energy from the sun and the weather. Keep your temperature system on a moderate setting while you're in the room. Use your windows wisely! If your climate control system is on, shut them…if you need a little fresh air, turn off the heat or AC. Cut down the number of appliances you are running and you will save big on energy.On a life-cycle basis, the carbon footprint of renewable energy ranges anywhere from 11 to 740 grams of CO2 equivalent per kWh (gCO2 equivalent per KWh) of electricity produced.Renewable energy has a long-term negative impact on the EF, and for every 1% increase in renewable energy consumption, the energy EF will decrease by 2.91%. The contribution of renewable energy consumption to reducing the EF is 1.34% on average. Most of our energy comes from fossil fuels today. When we burn fossil fuels for energy, carbon dioxide is released, leading to accumulation of greenhouse gasses in the atmosphere and climate change. By switching to renewable energy, we can reduce our carbon footprint by up to 2.5 tons annually. Wind, nuclear, tidal, hydropower, geothermal, solar, and wave energy have the lowest carbon footprint. Per kWh produced, the energy sources emit between 11 and 48 gCO2 on a life-cycle basis. Generating renewable energy creates far lower emissions than burning fossil fuels. Transitioning from fossil fuels, which currently account for the lion's share of emissions, to renewable energy is key to addressing the climate crisis. However, using renewable energy sources will not eliminate all environmental concerns. Although renewable energy sources produce relatively low levels of GHG emissions and conventional air pollution, manufacturing and transporting them will produce some emissions and pollutants.Renewable energy is a critical solution in combating climate change. By transitioning to a low-carbon energy mix, we can reduce greenhouse gas emissions, improve energy security, and provide millions of people access to clean, reliable, and affordable energy. Climate technologies that help us reduce greenhouse gas emissions include renewable energies such as wind energy, solar power and hydropower. To adapt to the adverse effects of climate change, we use climate technologies such as drought-resistant crops, early warning systems and sea walls. CCU technologies are direct air capture (DAC), which extracts CO2 from the air using chemical or physical methods, and electrochemical CO2 reduction, which uses electricity to transform CO2 into carbon-based compounds. CDR encompasses a wide array of approaches, including direct air capture (DAC) coupled to durable storage, soil carbon sequestration, biomass carbon removal and storage, enhanced mineralization, ocean-based CDR, and afforestation/reforestation.