VOICED : El sol que ilumina la noche de Granizal

In Granizal, a town near Medellín, the Un Litro de Luz project uses plastic bottles filled with water and bleach to illuminate homes without windows, promoting clean energy. This initiative has transformed the lives of 8,000 residents, mostly displaced by conflict, saving families $8-12 monthly on electricity. To address nighttime lighting, solar panels and plastic bottles provide eco-friendly street lighting. This simple solution is being replicated in other poor areas of Colombia, enhancing the quality of life and supporting clean energy practices.

What innovative method is used in Granizal to light up homes without windows?

• Solar panels on rooftops

• Candles

• Plastic bottles filled with water and bleach

• Wind turbines

How much money do families save monthly on electricity due to the Un Litro de Luz project?

• 1 to 3 dollars

• 15 to 20 dollars

• 8 to 12 dollars

• 5 to 7 dollars

What additional technology was introduced to make the lighting system work at night?

• Geothermal energy

• Hydroelectric power

• Wind turbines

• Solar panels

What is a key environmental benefit of the Un Litro de Luz project?

• It reduces water usage

• It decreases air pollution

• It increases biodiversity

• It promotes the use of clean energy

In addition to providing light, what is a significant impact of the Un Litro de Luz project on Colombian communities?

• Better access to education

• Enhanced quality of life

• Improved internet connectivity

• Increased agricultural productivity