26. LifeStraw®
With millions around
the world living
without access to
safe drinking water,
innoventions such as
the LifeStraw® bring
much needed
progress.
LifeStraw® is a
portable water
purification tool,
which filters up to
700 litres of water,
making it safe for
human consumption.
The device, just
25cm long and
29mm in diameter,
requires no electrical
power or spare parts.