0:15 Solar panels are sending silver prices up – A new, more efficient panel design uses silver in paste for. This year, the solar sector could account for 14% of silver consumption, up from 5% in 2014. But globally, there’s a shortage of primary silver mines and demand is growing faster than supply. Experts say that solar panels could exhaust 85-90% of silver reserves by 2050. Here are 3 more news stories about energy this week.
1:41 This phone costs $12 – Its makers hope it will help close India’s digital divide. It’s not a smartphone, but a feature phone, that is, a simple handset with a keypad and a small screen. It’s called Jio Bharat. 250 million Indians still use 2G phones. But 2G technology is more than 30 years old. Its users can make calls and send texts but they can’t connect to the internet. Jio Bharat’s users can access 4G internet services from instant digital payments to music streaming
3:08 Europe’s largest green facade – It’s home to 30,000 young trees arranged in 8km of hedges. Covering an area the size of 4 soccer pitches. The facade covers a building called Kö-Bogen II in the heart of Düsseldorf, Germany. It shades the concrete roof from the sun and prevents the building and the surrounding air from getting too hot.
4:47 These blocks can help beat the climate crisis – Antora Energy uses excess renewable electricity to heat up blocks of solid carbon. These thermal batteries reach temperatures above 1500°C. This heat can be safely stored in the blocks for days on end until it’s needed to power 24/7 industrial processes. The industrial sector accounts for a quarter of global emissions and the majority of that stems from the need for heat.
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