The UN's panel on climate change said that technologies to remove CO2 will be necessary to limit global temperature rise to only 1.5 degrees Celsius. But these techniques are largely unproven.
It's easy to over-estimate crowding and traffic in highly visible downtown cores and underestimate the vast growth happening in the suburban edges of our metropolitan regions.
William Nordhaus showed that the market offers the best chance for preventing global catastrophe form climate change.
PCBs were phased out three decades ago. But they're still lingering in the ocean.
The kind of climate action outlined by the ubiquitous climate checklists won't be enough.
The results of a study that measured public responses to a policy aimed at reducing carbon emissions contradict a common environmental concern.
Limiting human-induced warming will be tough, given where we start from.
We can't say that Katla in Iceland is 'due' to erupt, no matter what you have read.
As the Maasai people of Kenya seek to expand their agricultural developments, the lives of one of Africa's greatest creatures are being severely disrupted.
Rationality is the newest casualty of populist philosophy.
You have to draw an ethical line somewhere so if you were vegan, would you still eat avocados?
Is gene editing compatible with organic farming? A scholar explains the differences between old genetic engineering and CRISPR methods, and why the latter is similar to tradition plant breeding.
An effort to increase such areas poses a particular threat to island overseas territories.
Our children all know the little clownfish Nemo, star of the Pixar film. But why does he have three stripes, rather than one or two? Developmental and evolutionary biology are revealing the answer.
Footprints get people thinking about their own impact, but for water the analogy simply doesn't work.
Renovations can create more waste than new constructions – but they don't have to.
Donald Trump claims his administration has carried out an "all-out effort" in preparing for the effects of climate change. Nothing could be further from the truth.
With their jewel-like colours, Colombia's poison frogs are coveted by collectors. Does naming their species help protect them or make them a target for trophy hunters?
As Trump fumes about the Hurricane Maria death toll, it's clear that politics and political considerations often play an important role in how death toll estimates are communicated to the public.
Sharks eating seagrass? Sounds fishy, but the reality is that animals don't conform to the strict categories we try to place on their diets.