Mission 5: Cleaning up the skies and space

INCOMING TRANSMISSION
Agents - intercepted communications show that travel accounts for around one-fifth of global CO2 emissions, while our obsession with space has put almost eight THOUSAND tonnes of waste into orbit!
To learn how responsible engineering can clean up the skies and space, Agent Clark must attempt a clandestine rendezvous with the head of ESA's Clean Space Initiative, while Agent Somara is ready to jet off on a mission to interrogate the team developing the world’s first fully certified hydrogen powered plane...
PLUS can our crime-fighting duo give Greig Cameron from ‘D’ Branch an idea for a new mode of transport for busy spies?
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For all the missions in this series, visit DesignSpark Mission Responsible (www.rs-online....)
Mission: Responsible is a Why did the Chicken? production for RS DesignSpark. (www.rs-online....)

[@chrisclark4112]

Hey guys , know anything about longitudinal waves?