Reversing the climate change crisis – pv magazine India

We all need to envision a society in which everyone, including individuals and businesses, operates in a carbon neutral manner – that is, all entities reduce their carbon footprint by adopting sustainable practices.

Climate change is a global problem that requires a global solution. Freeriding and climate equity are the two main challenges for reaching meaningful international agreements on reducing carbon emissions.

The European Green Deal sets the objective of reducing carbon emissions by 55% compared to 1990 levels by 2030, and making it a climate neutral continent by 2050. The European Parliament has given the green signal to the European Commission’s plan to decarbonize its economies by 2050, by approving the proposed carbon border adjustment mechanism (CBAM). It helps reduce the risk of carbon leakage and level the playing field for EU industries striving to decarbonize their production processes. This will be done by imposing a carbon tariff on carbon-intensive products such as cement and electricity imported by the EU.

The CBAM is likely to come into effect in 2026 with a report declared in 2023. But it is impossible to stop global warming or climate change overnight or even in the next decades we can slow the pace and limit the amount of global warming by reducing human activity. emissions of heat-trapping gases and soot.

Today, every type of cooling and air conditioning machine contains chemical refrigerants that absorb and release heat, which helps cool food and keep buildings and vehicles cool. Many harmful gases, especially chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), were once the main culprits in the depletion of the stratospheric ozone layer, essential for absorbing ultraviolet radiation from the sun. It can heat the atmosphere 1,000 to 9,000 times more than carbon dioxide, depending on its exact chemical composition.

The process of phasing out HFCs will take many years, and they will linger in kitchens and condensing units in the meantime. About 90 percent of emissions occur during disposal. When we carefully remove them and store them, the refrigerants can be purified for reuse or turned into other chemicals that do not cause warming.

To slow down or even reduce global warming, many measures can be taken such as “climate engineering” or “geo-engineering”. Some geoengineering plans call for injecting reflective particles into the highest layer of the atmosphere to scatter and reflect sunlight back to space, which would cool the Earth’s surface. Measuring the seeding of the oceans with iron to stimulate large-scale phytoplankton blooms, thereby removing carbon dioxide from the atmosphere through photosynthesis. Many published reports oppose the geoengineering venture until we have a much better understanding of the possible side effects. There are many unresolved legal and ethical issues surrounding geoengineering.

Much research suggests that fossil fuels may set aside zero-emission wind power in the mid-twentieth century. Wind energy has its challenges. The weather is not the same everywhere. The wind has a variable nature, there are times when the turbines are not turning. Turbines are loud, aesthetically unpleasant and sometimes fatal to bats and migrating birds.

Today, around more than 3,14,000 wind turbines provide 3.7% of the world’s electricity. The number will soon be much more. According to a 2015 research report, a record 63 gigawatts of wind power has been installed worldwide, despite a dramatic drop in fossil fuel prices. Wind power is cheaper than electricity produced with coal.

Many modern technologies make it easier to overcome fluctuations in electricity supply and demand. These interconnected networks can transport energy to where it is needed. With the help of more recent turbine designs, concerns about bird and bat mortality can be addressed with slower rotating blades and siting practices to avoid migration paths. Rapid and consistent cost reductions will make wind power the cheapest source of installed electrical capacity, perhaps within a decade.

Now we can say that the era of fossil fuels is over, and the only question is when the new era of clean energy will be upon us. Photovoltaic solar meets 2% of the world’s electricity needs. Over the past decade, we have witnessed an exponential growth in solar photovoltaic (PV). Distributed systems of less than 100 kilowatts of power accounted for about 30% of the installed solar PV capacity worldwide in 2015.

The production of photovoltaic panels involves emissions, they produce electricity without emitting greenhouse gases or air pollution. PV produces energy at the consumption site when we place it on a grid-connected roof, avoiding the inevitable grid transmission losses. It helps utilities meet demand by injecting unused electricity into the grid, especially in summer.

The “net metering” policy can make solar panels financially feasible for homeowners. Rooftop photovoltaics are very affordable. It is now becoming a powerful tool for eradicating poverty. It helps to create jobs and energizes local economies. Today, all over the world, installations of roof modules are increasing due to their affordability. These benefit from a virtuous circle of lower costs, driven by incentives to accelerate their development and implementation, economies of scale in manufacturing, advances in panel technology and innovative approaches for the end user financing.

Many startups and companies are concerned with measuring the carbon footprint of individuals and organizations and helping them erase it and make the environment a better place to live. They are developing many digital tools to help people take action on climate change. The purpose of calculating and eradicating the carbon footprint is to fight effectively against climate change. We all need to envision a society in which everyone, including individuals and businesses, operates in a carbon neutral manner, meaning that all entities reduce their carbon footprint by adopting sustainable practices and pay their carbon footprint. inevitable by reducing their carbon footprint.

Electricity pricing reforms through the dismantling of a system that relies on industry to subsidize residential electricity use, a market design that does not penalize renewables, and the promotion of Grid-connected distributed energy such as solar grid-connected rooftops is essential to decarbonising the economy.

Lowsoot is an environmental startup.

The views and opinions expressed in this article are those of the author and do not necessarily reflect those of pv magazine.

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