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Negro cassava farm

Negro cassava farm

Let us drive hunger away from our community through youth empowerment

Olanipekun Adewale



ROI: 136%

$9.92 per share

Clean the beaches

Clean the beaches

Clean the beaches today for a better tomorrow!

Deevesh Gokool


Belle Mare

ROI: 1744%

$25.35 per share

Mombasa college

Mombasa college

Locally and internationally recognized college operating since 1953

Head Director



ROI: 1165%

$17.63 per share

drone alert security personnel

Drones that fly packages straight to people’s doors could be an environmentally friendly alternative to conventional modes of transportation1.

A study comparing the environmental impact of various ‘last-mile’ delivery methods — which take a package on the final leg of its journey — finds that greenhouse-gas emissions per parcel were 84% lower for drones than for diesel trucks. Drones also consumed up to 94% less energy per parcel than did the trucks. The research, published on 5 August in the journal Patterns, indicates that using drones to deliver medication and other small items could cut the environmental impact of product deliveries.

In the United States, freight transportation accounts for more than one-third of transportation-related greenhouse-gas emissions. Major companies such as Amazon have been experimenting with using drones and robots to deliver packages with an eye to reducing their environmental impact.

The future is automated
Interest in the idea grew even more during the COVID-19 pandemic. A survey conducted in mid-2020 found that more than 60% of people would be willing to pay extra for their packages to be delivered by robots2. This was partly the result of a desire to avoid infection, says Thiago Rodrigues, a transportation researcher at Carnegie Mellon University in Pittsburgh, Pennsylvania, and a co-author of the new study. However, he adds that another incentive was the fact that automated delivery is often faster than waiting for delivery trucks to make the rounds.

With technology improving, drone delivery is likely to become more common in the near future, says Juan Zhang, a transportation researcher at the University of Wisconsin–Eau Claire. “Therefore, we need more studies about the energy consumption of drones,” she says.

Rodrigues and his colleagues have done just such a study. The team attached packages weighing 0.5 kilograms or less to ‘quadcopter’ drones, which have four rotors, and flew them at speeds of 4–12 metres per second. From these flights, the researchers were able to determine how much energy was needed to fly a drone, as well as the quantities of greenhouse gases emitted by generating the electricity to charge the drone’s battery.

Rising sun montessori school

Education for the young ones from nursery to primary

Phillip Mugabi

by Phillip Mugabi


$55.00 per share

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