C+S April 2021 Vol. 7 Issue 4 (web)

In March 2019 tropical Cyclone Idai made landfall near the Mozambi- quan port city of Beira, ravaging the coastline and inland communities. The United Nations estimated that Cyclone Idai and the flooding that followed it killed more than 600 people, injured an estimated 1,600 and affected more than 1.8 million people. After more than $773 mil- lion of damage to buildings, infrastructure and crops there were also disastrous economic ramifications, with GDP growth cut to 2.3 percent from a forecast 6.6 percent. Elsewhere on the continent, climate change and shifting weather patterns are exacting a heavy toll. Lake Chad has shrunk 90 percent since the 1960s and Lake Victoria, home to the world’s largest tropical freshwater ecosystem, could all but vanish in the next 500 years. Despite contributing just 4 percent of global greenhouse gas emissions, African countries are amongst the hardest hit by the impacts of climate change, where temperatures have risen on average 1°C more than other parts of the world. And in the worst case scenario, GDP could decline by 12.2 percent by the end of the century because of global warming. This has been met with a robust response. Government’s on the conti- nent are spending between 2 - 9 percent of GDP on climate adaptation and mitigation initiatives. Well trained engineers are essential to maximise the impact of this im- portant work, especially during a continental recession. Innovation in response to societal challenges is at an all-time high, providing access to sustainable solutions that can help people adapt to climate change and simultaneously address energy deficiencies. Engineers can help to provide life saving support to the communities hardest hit by extreme weather patterns, such as floods or droughts, by improving infrastruc- ture or developing technologies to assist in emergency response, such as drones, monitoring, and transportation. For off-grid communities that are subject to frequent power outages, engineers can install energy alternatives that improve their livelihoods and help to build more sus- tainable societies. The effects of the COVID-19 pandemic are exacerbating climate- induced problems across communities, impacting on local economies and aggravating existing instabilities. This is evident across Africa’s largest profession – agriculture – where over half of the working-age population employ their trade. The development of technology that enables climate-smart cultivation is helping to build resilience in these fragile livelihoods. By increasing agricultural output, people can build their financial independence and help feed a growing continent. This is particularly important when the proportion of the population who are undernourished has grown by 45 percent in drought-prone areas since 2012, as a consequence of climate change. WE MUST INVEST IN AFRICA’S ENGINEERS TO HELP SOLVE THE WORLD’S CLIMATE CRISIS By David Thomlinson

Another critical area being addressed by engineers is access to energy. Households that are off the electricity grid or have only intermittent power can save 8 percent of their income by using renewable electric- ity. Innovation in this space is essential to long term development. South African-based Sun Exchange, unique business model, provides access to domestic solar energy systems for those not connected to the national grid By leasing third party-owned equipment and facilitating repayments through cryptocurrency, small holder farmers are empow- ered to supply large agricultural producers supplying the nation. Ugandan start-up Innovex, shortlisted for the Royal Academy of Engi- neering’s Africa Prize for Engineering Innovation, developed Remot, a system that enables users to monitor their solar photovoltaic panel installations, reducing maintenance and preventing power outages. Nearly 600 million people in Africa have no access to electricity and off-grid solar power offers a rapidly scalable option to provide commu- nities with income-generating opportunities and devices that increase productivity and help to protect livelihoods. Necessity has spurred innovation in addressing the climate challenge, but tasks like designing bespoke solar power installations require en- gineering expertise across a continent facing a chronic skills shortage in key areas. It is estimated that Africa needs an additional 2.5 million engineers to meet its Sustainable Development Goals. According to UNESCO’s Engineering Report 2010, Uganda has one engineer for every 19,800 people in the country, in the UK that ratio is one to 1,100. Despite this, there is still unemployment amongst graduates who are not fully equipped to take professional roles. Addressing the shortfall demands a holistic approach to build experience, enhance skills and promote diversity. By fostering partnerships between academia and industry, on the African con- tinent and in the UK, the Royal Academy of Engineering’s Higher Education Partnerships in sub-Saharan Africa (HEP SSA) program provides practical learning opportunities aligned to local industry requirements. For example, students at the University of Namibia are bottling desalinated water from the Atlantic Ocean, powered by solar energy, in a demonstration of what technology can achieve. By part-funding such projects, HEP SSA widens the entrepreneurial horizons of young engineers.


April 2021


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