St Hilaire church in Melle by Mathieu Lehanneur

French designer Mathieu Lehanneur has added stacked layers of white marble to create a podium in this Romanesque church in France. More »

French designer Mathieu Lehanneur has added stacked layers of white marble to create a podium in this Romanesque church in France. More »

This office in Paris by French designer Mathieu Lehanneur for advertising agency JWT features caves made from pulped paper and plants that play music. More »

French designer Mathieu Lehanneur has created a series of objects designed to monitor electricity consumption in the home for energy company Schneider Electric. More »

A room where teenagers can hang out designed by Mathieu Lehanneur has opened at the Centre Pompidou in Paris. More »

Dezeen promotion: during the London Design Festival Dezeen and champagne brand Veuve Clicquot have teamed up to present London tastemakers reading excerpts from their favourite books in the Once Upon A Dream bed designed by Mathieu Lehanneur. More »

Children visiting the Centre Pompidou in Paris can join workshops in the recently opened education centre designed by Mathieu Lehanneur. More »

Milan 2010: french designer Mathieu Lehanneur presented a bed for curing insomnia in the Zona Tortona district of Milan last week. More »

More from French designer Mathieu Lehanneur: this time a series of rugs depicting squashed vital organs. More »

French designer Mathieu Lehanneur will present a series of metal storage units with quilted surfaces at Tools Galerie in Paris next week. More »

French designer Mathieu Lehanneur and Harvard professor David Edwards have launched a filtration system which uses living plants to purify the air indoors. More »

The Age of the World by Parisian designer Mathieu Lehanneur is a set of jars and urns that each map the ages of the population in a given country. More »

French designer Mathieu Lehanneur has designed a shop and work space for Le Laboratoire in Paris, France. More »

Here are some photographs of Mathieu Lehanneur‘s domestic “refrigerator-aquarium” called Local River, on show at Artists Space Gallery in New York. More »

French designer Mathieu Lehanneur has created Local River, a concept for a domestic “refrigerator-aquarium” that breeds freshwater fish for eating and grows vegetables at the same time. Update: this project is included in Dezeen Book of Ideas, which is on sale now for £12. More »

Bel-Air is a filtration system designed by Mathieu Lehanneur, which uses living plants to purify the air indoors. More »