James Hansen says currently proposed carbon pricing schemes won’t solve the problem.
Perrot Thomas/Place to B/Flickr.com
Former NASA climate scientist James Hansen has come to the Paris climate talks to push his radical alternative to current carbon pricing schemes.
Welcoming migrants and integrating them is a national security issue.
The attacks in Paris are putting refugees in the crosshairs, yet it's the integration of these and past migrants that are key to the security of Europe.
People don’t want refugees for the same reason they reject climate change.
Most evidence shows that climate change is caused by humans and immigration is good for the economy. So why do many of us reject these notions anyway?
Traffic in Accra, Ghana. With more people moving into cities, careful town planning is critical for sustainable development.
Urban planning and development in Africa has been fraught with many challenges. A study of Accra and Nairobi provides some lessons on what needs to improve.
US credit cards are starting to get a new look.
Today marks a milestone in our transition to more secure electronic payments, yet the costs and benefits are not what they seem.
Tilting at 21st-century Spain?
Over 500 years ago, first Jews and then Muslims were expelled from Spain. This summer, Spain's Parliament invited the former back but not the latter. Here's what Cervantes might say to his countrymen.
Really dry: a Colorado River aqueduct in southern California.
Historical analysis shows that natural forces are behind California’s drought, but global warming has contributed 8%-27% to the drought’s severity.
Break the taboo.
Donald Trump got menstruation onto the front page of the New York Times. With the taboo broken, it's a good time to talk about how all girls everywhere can manage their periods safely and privately.
Once a software maker learns about a “zero-day” vulnerability, there’s usually no time left to fix it.
Midnight via www.shutterstock.com
“Zero-days” are serious vulnerabilities in software that are unknown to the software maker or user. They are so named because developers find out about the security vulnerability the day that it is exploited…
Do they all want the same thing?
Line by www.shutterstock.com.
The more committed you are to reaching your goal, the more likely you will project it onto others.
Thick smoke blankets the Indonesian peatlands.
Azwar / EPA
New early-warning systems are being developed and they're warning of imminent danger.
At the youth level, the long-term effects of football hits aren’t known.
Brian J. McDermott/flickr
When pro football players like Chris Borland quit, it should send a strong message to parents. But there are a host of issues, besides health, to consider.
Exasperating both the White House and the Republican leadership
The expiry at midnight, Sunday of three key provisions of the Patriot Act has thrown Washington into turmoil and halted surveillance programs – a panel of scholars gives their verdicts.
Notions of the ‘right to know’ forced Hillary Clinton to defend her use of a private email account as secretary of state - a far cry from the days when citizens didn’t even know how their representatives voted.
The idea of the right to know as the 'lifeblood of democracy' is a surprisingly modern development. And in an age when transparency is prized, privacy and secrecy can still be justified in many cases.
Remembering Walter Scott
In many states fathers can be incarcerated for failing to pay child support. This is a crisis that needs addressing.
Old school: early Earth Day flag.
The history of Earth Day reveals its true nature: a day about people, not really a celebration of an amazing planet – like a true birthday.
Free pollination services: a bee at an almond orchard in California.
Forests, wetlands, wildlife, waterways all provide valuable services to society. Would we take better conserve natural resources if we paid for these ecosystem services?
Frustrated by a lack of investment in cybersecurity?
The thefts make big headlines but rarely hit the bottom line, creating a moral hazard risk that companies won't invest enough to beef up their security.
The mighty Leviathan is back.
Not too long ago, state capitalism was considered a relic of the mid-20th century. Not anymore.
The Uvas Reservoir near Silicon Valley in California, photographed about one year ago.
Ian Abbot/ Flickr
Let’s start with some old news. Earth’s climate is warming, human activities are causing it, and as long as we continue to dump greenhouse gas emissions into the atmosphere, the impacts on climate and…