My future invention, the 'Eco-Purifier 3000', aims to address the global water crisis. It uses advanced nanotechnology filters to remove all contaminants, including microplastics and heavy metals, from any water source, making it instantly potable. It's powered by solar energy, making it sustainable.
Which global issue does the 'Eco-Purifier 3000' primarily intend to solve?
A) Air pollution
B) Energy shortage
C) Water scarcity
D) Food waste