Our photo of the day comes from California's Central Coast.

Gisele Bündchen helped earn Brazil 50,000 new trees and got the planting started by planting the first tree at the Green Nation Fest in Rio de Janeiro.

Once again, we're proud to partner with the United Nations Environment Programme to help fight food waste and bring attention to World Environment Day.

Did you know that 50% of food produced is wasted? It is true, but thankfully, the United Nations Environment Program and TreeHugger are helping shine a light on this problem with our fourth annual World Environment Day Blogging Competition.

The British grocery giant hopes to prevent food waste.

With more composting and recycling, the city's eateries aim to send less to the landfill.

In keeping with this year's theme, the USDA and EPA are launching a challenge to reduce food waste at each step from farm to fork.

The USDA and EPA announced the U.S. Food Waste Challenge participants.

A round-up of stories addressing the global problem of food waste.

I was fortunate enough to attend the official start of World Environment Day in Ulaanbaatar, Mongolia. Here's why their vision for a sustainable future is so important.

Created for World Environment Day, these videos illustrate the global issue of food waste with both humor and gravity.

Vote today for your favorite slogan!

Send one of these video bloggers to cover World Environment Day.

Celebrity ambassadors call for support for the UN’s World Environment Day.

The actor known for The Vampire Diaries and Lost joined today's World Environment Day celebrations in Barbados.

Environmental sustainability doesn’t have to come at the expense of economic development.

At the World Economic Forum, the elite of the global economy arrive in the least sustainable mode of travel - a private jet. Yet a few of them will walk a few kilometers to donate bikes to school kids.

The UN Environment Program takes aim at unsustainable consumption in 2015.

The soccer star arrived in an electric retro-fit Fiat Panda and attended a cooking demonstration.

It is fitting that Slow Food has a prominent place at the World’s fair, which this year is hosted in Italy and promises to explore the topic of feeding the growing global population.

Inspired by coastal redwoods, scientists have created a new kind of fog harvesting design that appears to increase the capacity of clean water collection by threefold.

South African women have had to change the way they approach showering, hair care, and menstruation, due to the lack of water.

This series of infographics reveals the bizarre discoveries made by volunteers during the 2017 International Coastal Cleanup.

A certain Commander in Chief says that wildfires are being made 'so much worse by the bad environmental laws.' Here's what's really happening.

Two teens send a powerful message about the effects of plastic pollution.

The good, the bad, and the we-can-fix-its of the year all gathered up in one place.

I really didn't know where to start, there is so much terrible stuff around

We take a look back at our favorite robot stories: from the miniature to the hulking, from the record-breaking to the mundane.

Looking back on this year, so much happened! I wanted to take a moment to go look back on the articles I had the most fun writing, the issues I had the most fun covering, and the adventures I had the most fun experiencing. Enjoy this look back!

The year saw the start of some very interesting trends that will play out over the next few years in a big way.

These stories from the past six months tell a lot about the shape of things to come in 2013.

We get small and look at designs from around the world

We asked the question on Facebook and got all kinds of interesting responses.

What we learned from last year and will look for in this one

We are just beginning to see how changes in the way we work are affecting the designs of where we work

Hydroponics systems, electricity-free appliances and more caught your attention in 2015.

Some dramatic changes this year will have a big impact on the future of wood construction.

Here's the manifesto by the Spanish wine industry to fight climate change by making wineries more eco-friendly. Vines are very sensitive to climate change and so their environment, landscape, culture and tradition need protecting.

This eco-wine is thick with berries and molasses on the nose but the follow through is not your usual California cab. And for every acre of planted vineyard, Frei Brothers sets aside one acre to be preserved as natural wildlife habitat.

Hahn SLH Estate's 2010 Chef's Table Viognier is one of the most interesting whites you'll ever smell. It's completely intoxicating with notes of white peach, banana, honeydew and jasmine. Only 100 cases were made, so get this one quickly!

Frei's 2009 Chardonnay touches your nose with hints of rose water, jasmine and other floral delights. But on the palette, it is swimming with honey and sweet butter and just enough acidity to make it all work.

The Spanish porrón is a glass pitcher in the shape of a watering can that gets passed around at big events. That way, there is no need for plastic glasses or washing up!

The French agriculture ministry has sentenced Emmanuel Giboulot six months in jail for not taking preventative measures against a bacterial vine disease.

Fruit flies play a role in all those fruity flavors we detect as we take whiff of wine fumes. Find out how.

Just what we've been waiting for - an automated home fermentation device that can turn fruit or honey into wine, mead, or cider.

So for this 4th of July, I want to honor the Victory Garden! Well, that and booze. Here are some fun and tasty cocktails, fresh from the garden.

Suddenly, and without any warning, a rap song appeared on social media, produced by three young men – who were unheard of up to that moment – and racked up millions of views in record time. The track was entitled "Long Live the People", based on the slogan of the revolutionary youth (especially notable in the 20F’s manifestations) directed against the monarchist slogan: “long live the king”. The track topped the list of most-watched Moroccan videos on YouTube. This is unprecedented for an agitational song, as the top spot has typically been occupied by pop trifles.

Yesterday’s presidential election in Algeria was marked by a massive boycott campaign called for by the Hirak movement, which is now 43 weeks old. The boycott had been preceded by a four-day general strike and was particularly strong in the Kabylie region. Tens of thousands came onto the streets across the country defying a police ban on demonstrations. Whoever the generals decide will be the country’s president, they will not have any real legitimacy.

Those who follow the situation in Morocco can see that the repressive dictatorial regime has become more and more frenzied, and the police state has tightened its repressive grip on everyone and everything. They are arresting those who protest, who sing, who criticise, who write, and who show solidarity with those arrested.

South African capitalism is in total crisis. The ruling class is divided and the worsening conditions of the workers and poor are causing a groundswell of resentment that will burst to the surface sooner or later, placing renewed class struggle on the agenda.