Structures in seaweed shed light on sustainability

he government is considering to introduce insurance bonds as an alternative to bank guarantees, Finance Secretary T V Somanathan said here on Tuesday. Somanathan made the announcement during a meeting between industry captains and Finance Minister Nirmala Sitharaman, who is on a two-day visit to the financial capital. ”Government is exploring on instituting insurance bonds as alternatives to bank guarantees,” an official statement said. Bank guarantees are usually asked for while extending a loan and typically require a collateral. An insurance bond is also a surety but it does not require any collateral. As per reports last year, insurance regulator Irdai was also looking at the option of insurers offering surety bonds in the context of road projects.

Acting on the need for reducing pollution and promoting sustainable development, Kochi Metro Rail Limited has decided to adopt the circular economy principles. Activities in a circular economy follow reduce (minimum use of raw materials), reuse (maximum reuse of products and components), and recycle (high-quality reuse of raw materials) principles where the life of the product gets extended. Unlike the linear process, it means implementing systemic changes that add value and reduce substantial procedural waste. The waste from the end of the supply chain is directed to the beginning thereby using the resources more efficiently by utilising them more than once.

Africa has the richest solar resources of any region, yet today is home to only 5 gigawatts of solar photovoltaic (PV) capacity, less than 1% of the global total. With the right policies and financing, solar PV could become the continent’s top electricity source by capacity. While solar PV is set to expand most rapidly, all renewable technologies are needed to support energy access and development, especially an expansion of hydroelectric capacity. Over 40% of global gas discoveries in recent years were in Africa and, if used locally, this gas has the potential to complement electricity generation from renewables and support industrialisation. All such resources could help bring about a much less carbon-intensive development trajectory compared to other developing regions. Tapping Africa’s potential for energy efficiency, renewables and domestic use of natural gas is crucial to put all African countries on track for universal access to reliable electricity by 2030. To achieve this goal, over the next 12 years, the average number of people gaining access to electricity each year would need to triple from around 20 million today to over 60 million people. More decentralised and modular technologies, mainly based on renewables, are now available and they are reducing the length of time it takes to provide access to electricity and cutting the costs of doing so. According to the IEA’s latest geospatial analysis (developed in collaboration with the KTH Royal Institute of Technology), while grid expansion and densification will remain essential, mini-grids and stand-alone systems could provide power to more than half of the population who need to gain access by 2030, or almost 450 million people. A reliable electricity supply for all would require an almost fourfold increase in power sector investment, averaging around $120bn a year to 2040, half of which is needed for networks. Mobilising…