María Alejandra Téllez, ClimaLab: “Young people have taken a stance with regard to climate change”

María Alejandra Téllez leads ClimaLab, an NGO that acts as a platform to Bogota’s youth regarding the problems arising from climate change.
The ruins of Pompeii talk again: The Romans were already recycling in this ancient city

Piles of trash preserved as mounds in Pompeii reveal that Romans also recycled, incorporating waste products back into the economy.
Smart agriculture to tackle climate change

Climate smart agriculture (CSA) is not necessarily more sophisticated, but looks to improve production in the context of climate change.
Sweden sets an example and closes its last coal plant

Sweden is getting ahead of its schedule to become a carbon free-nation. Hydro, wind and biomass will replace coal power.
The (high) energy price of mass data storage

Large-scale deployment of Big Data technologies in having an increasingly high energy cost. One that we’ll have to pay.
How cities are using collective intelligence to fight the coronavirus

In Coronavirus times, cities are turning to collective intelligence to try to stop the spread of COVID-19, being the main weapon they can count on.
What are green zones: This is how Europe wants to save its tourism from the pandemic

Tourism in Europe has been greatly affected by the coronavirus pandemic. How could the “green zoning” strategy help this sector?
How epidemics transformed London into one of the most state-of-the-art cities in the world

Epidemics have taught many lessons to cities. But how did epidemics turn London into one of the world’s leading metropolises?
Piezoelectricity: using citizens’ footsteps to generate electricity

People movements and traffic vibrations can generate enough energy to power sensors and small devices. Cities and companies are already looking into it.
What is blue energy? Lights and shadows of a promising technology

Water’s osmotic power can be a great sustainable source to generate electricity. And some companies are pursuing it.