Climate plans are the order of the day in the presidential primary campaign because carbon pollution is a global threat of unique proportions.

Cities are on the front line of climate change. While their footprints cover a mere two per cent of the Earth’s surface, they consume 78 per cent of global energy and account for over 60 per cent of greenhouse gas emissions.

Spring and summer 2017 were among the wettest on record in eastern North America.

Growing up in Tanzania, I knew that fruit trees were useful. Climbing a mango tree to pick a fruit was a common thing to do when I was hungry, even though at times there were unintended consequences.

The devastating impacts of Harvey, Irma, Jose and Maria across the United States and the Caribbean provide tragic reminders of the catastrophic risks we face on our coasts.

This year, three studies showed that humour is useful for engaging the public about climate change.

One year ago, the international scientific community could hardly have expected that Greta Thunberg, a teenager from Sweden, would become one of its greatest allies.

For more than 3.5 billion years, living organisms have thrived, multiplied and diversified to occupy every ecosystem on Earth.

The concept of a canary in a coal mine – a sensitive species that provides an alert to danger – originated with British miners, who carried actual canaries underground through the mid-1980s to detect the presence of deadly carbon monoxide gas.

We live in an era — the Anthropocene — where humans and societies are reshaping and changing ecosystems.

The grasslands of the Canadian Prairies are a hidden gem for bird watchers, with millions of migratory birds passing through the area each year. 

A global coalition of 11,000 scientists has come up with a plan for dealing with the climate emergency.

The Golden State is on fire, which means that an idea of American utopia is on fire, too.

When faced with a rapidly advancing fire threatening a community, it can be hard to know how best to save lives.

There’s little that the left and the right agree on these days. But surely one thing is beyond question: that national governments must protect citizens from the gravest threats and risks they face.

Climate change may cause a dramatic drop in rice production in major growing regions, a decline that could jeopardize critical food supplies, researchers report.

Like many Americans, I worry about the state of the planet and try to make a positive impact through decisions in my day-to-day life.

In a shocking report the US Army's assessment of its future under the unfolding climate crisis, every American should pause and so should other countries' military.

At the beginning of October 2019, my kids’ preschool informed me that it might be closed the next day because of rolling blackouts — a radical new effort by our local power utility in Northern California to avoid sparking wildfires.

A new report from the International Energy Agency released Friday claims that wind power could be a $1 trillion business by 2040 and that the power provided by the green technology has the potential to outstrip global energy needs. 

In the past seven years, four major disasters have caused serious disruptions in the Northeast and Midwest United States. 

As a climate scientist of more than 25 years, I’m proud of the work my profession has done in recent decades to alert humanity to the unfolding climate crisis

A recent study showed that North Americans are becoming less tolerant of uncertainty.