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G20 nations

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Despite informal pressure to bring forward its 2070 net-zero target, India is unlikely to do that at this year’s G20 summit India took over the presidency of the G20 – the grouping of the world’s 20 biggest economies, which collectively account for 75-80% of global GHG emissions – in December 2022. At the transition of the presidency from Indonesia to India, the Indian prime minister, Narendra Modi, said the challenges of “climate change, terrorism, and pandemics can be solved not by fighting each other, but only by acting together”. With control of 84 per cent of the global economy, G20 nations are the world’s driving force for development and growth. This is a good thing. However, while acknowledging the diversity and different development paths within G20 nations, this strength and influence also makes the bloc largely responsible for many of the environmental issues facing the world today. In India, especially among civil society organisations, the focus is less on the date of the...
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composite courses

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PV Panel recycling technologies

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  Solar power is booming, with millions of metric tons of solar panels being produced each year. A panel has a projected lifespan of about 25 years, which means that today’s new solar farms will go out of service in the late 2040s. Most of the weight in a solar panel, about 75 percent, is glass, aluminum, with 10 percent; wiring in a junction box, at 5 percent; and silicon, with just 3.5 percent. Dedicated recyclers are needed, the authors write, to do a more thorough job of recycling all the components of a panel—including the crystalline silicon in the photovoltaic cells themselves. Silicon wafers account for about half the cost of a panel, as well as over half the energy and carbon footprint of manufacturing a panel. But silicon isn't currently being targeted for recycling much because the recovered silicon isn't pure enough to go straight back to a wafer manufacturer. Studies show that the impurity levels are an important issue during the recycling processes.  Th...
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Electric vehicle charging per kilometre 60 paise

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  The Ministry of Power has previously announced new EV charging infrastructure standards and guidelines. In compliance with the rules, the state government has fixed the ceiling cost of service charges to be charged by electric vehicle public charging stations. It approved the Rs 12.06 + applicable GST service cost maximum for electric vehicle rates covered by State/Central subsidies. it is still less expensive than petrol and diesel. “It costs Rs 300 if any four-wheeler takes 25 units to completely charge their cars.” “You can’t even get three litres of petrol with the same quantity of petrol,” Car comparison between petrol, diesel and electric vehicles If the price of petrol is considered at Rs 100 per litre and mileage is considered 16 km per litre, the cost of the car, per kilometre, will be about Rs 6.25. If the price of diesel is considered at Rs 95 per litre and mileage is considered 22 km per litre, the cost of the car, per kilometre, will be around Rs 4.31.  ...
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