Changing incandescent light bulbs (right) to LEDs (left) is an example of eco-efficiency, but it can also have unintended consequences. Shutterstock

The pitfalls of eco-efficiency

Industrial activity is a major emitter of CO₂. Shutterstock

What if storing CO₂ would also allow us to heat our homes?

An innovative method of carbon capture and storage could substantially reduce the emission of small industries while using geothermal energy to heat homes and thus replacing fossil-fuel energies.
Use the slider tool in the images below to see before and after NASA satellite images of Australia’s fire and drought effects. NASA

‘This crisis has been unfolding for years’: four photos of Australia from space, before and after the bushfires

We pulled four before-and-after NASA satellite images and asked bushfire researcher Grant Williamson to reflect on the story they tell.
Konik ponies graze in Wicken Fen, Cambridgeshire. The UK National Trust used TESSA to calculate that each hectare of the fen was worth US$200 more per year as wetland than as farmland. Gailhampshire/Flickr

TESSA: a practical tool to measure the impact of protecting biodiversity

The Toolkit for Ecosystem Service Site-based Assessment (TESSA) allows NGOs to quantify the economic advantages of maintaining ecosystems, helping preserve biodiversity by putting a value on it.
Iranian worshippers attend a mourning prayer for slain Iranian Revolutionary Guards Major General Qassem Soleimani in Iran’s capital, Tehran, on Jan. 3, 2020. ATTA KENARE/AFP via Getty Images

With the US and Iran on the brink of war, the dangers of Trump’s policy of going it alone become clear

President Trump's Iran policy took a dramatic turn when the US killed Iran's top military commander in a drone strike. To avoid war, one foreign policy scholar says Trump has to reverse his stance.
Rue des Tournelles, Paris, November 5, 2019. Four Voi scooters wait hopefully for potential clients, with a Lime and Dott sprawling nearby. Behind them, a Velib’ rider has made his choice. Leighton Kille/The Conversation France

E-scooters, bikes and urban mobility: lessons from the streets of Paris

In major cities around the world, dockless scooters and bikes are everywhere, yet the companies themselves are often breathtakingly short-lived. Basic economic concepts give us clues why.
Activists and local volunteers meet and console Assamese villagers who might have lost their Indian citizenship. Anuradha Sen Mookerjee

In India’s Assam, a solidarity network has emerged to help those at risk of becoming stateless

As new citizenship law will further discriminate against people on religious basis in India's north-eastern Assam, local activists are uniting across the region to help distressed residents.
Not sure if you’re paying the right price for your tree? The Hotelling equation modified by Faustmann can help. Aleksandra Suzi/Shutterstock

The amazing growth of the Christmas tree

A Protestant tradition with pagan roots, the Christmas tree is now a global phenomenon. It also reveals much about market economics, so let's climb on the sleigh and take a ride around this holiday item…
A Buddhist monk releases birds, symbolizing the spirits of the victims of the 2004 tsunami. This Chinese tradition of analogy was taken up by the demonstrators in Hong Kong. Samantha Sin/AFP

Hong Kong: when the citizen-birds rebel

Hong Kong protesters deeply identify with nature, a reference to the current environmental crisis but also a fluid conception of collective action that is inscribed in ancient Chinese tradition.
A study by the Apicil Chair in Health and Work Performance at EM Lyon business school highlights the link between chronic pain and engagement in work. Nopphon_1987/Shutterstock

Chronic pain, a silent yet devastating disease in the workplace

A new study shows that stress, fatigue, and even feelings of injustice are felt more strongly by those who have been suffering from chronic pain for three or more months.
Close-up on the circuitry of the Vesuvius quantum computer, announced in 2012 by the Canadian firm D-Wave Systems. Steve Jurvetson/Flickr

Quantum computing, the new frontier of finance

On October 23 Google announced that it built a quantum computer thousands of times faster than classic computers. This could have immense impacts on finance, cryptography and other fields.

Base de données d’experts

Editor's choices

Événements

Plus d'événements

Un site différent

Nos valeurs

Les plus lus

  1. When did the vulva become obscene?
  2. Why is climate scepticism so successful in the United States?
  3. The women who don’t know they’re autistic
  4. Which countries have the most immigrants?
  5. Understanding children’s mirror writing

Vos idées d'article

Vous avez une idée ou une information pour un article de The Conversation ?

Contactez-nous

Notre audience

The Conversation a une audience mensuelle de 10,7 millions de lecteurs et une audience globale de 38,2 millions à travers les republications sous la licence Creative Commons.

Vous voulez écrire ?

Écrivez un article et rejoignez une communauté de plus de 95 600 universitaires et de chercheurs venant de plus de 3 110 institutions.

Enregistrez-vous maintenant

Devenez adhérent

Rejoignez notre campagne pour être au cœur de notre développement et de notre promesse d’une info de qualité, gratuite, indépendante et transparente. Faites un don, fiscalement déductible, et devenez lecteur-adhérent.

Faites un don