30 September 2013, 01:50 PM ET
Chicago has invested $14 million into a mile and a half of one of the grittiest streets in the city to turn it into one of the greenest using reflective asphalt, smog-eating cement, 95 species of trees, wind and solar powered lights and much more.
30 September 2013, 01:41 PM ET
The National Ecological Observatory is a network of more than 100 sensors located across the country that will give scientists an 'EKG' for planet Earth, a crucial tool for monitoring environmental health in a changing global climate.
30 September 2013, 11:26 AM ET
Fighting for social justice and equality in Louisiana has been a lifelong pursuit of Reverend Tyronne Edwards, but if you ask him today what the most important issue is to his coastal parish, the answer is simple: climate change.
30 September 2013, 11:18 AM ET
For Emily Dondero, a native of central California, the Rim Fire was easily the largest wildfire she lived through and an eye opening example of the costs of fighting the results of climate change instead of investing first to limit future disasters.
30 September 2013, 11:18 AM ET
After two 'once in a hundred years' storms flooded her house two years in a row, Stefanie Kravitz understands on a personal level how the increasing severity and frequency of powerful storms predicted by climate change is a threat across the country.
30 September 2013, 10:54 AM ET
Lower and lower annual rainfall and added competition from the fracking industry is making it harder for small ranchers to get the water they need for their herds, a fact Hugh Fitzsimons says ranchers recognize but aren't yet willing to face.
30 September 2013, 10:46 AM ET
As a 5th-generation farmer, Matt Russel intimately understands the climate and seasonal weather patterns that affect his crops. Atypical weather, like the excessive rain fall last year, is a danger to his livelihood.
30 September 2013, 10:39 AM ET
At the Congressional Safe Climate Caucus Forum in September 2013, farmers, ranchers, beekeepers and more talk about the effects that storms and droughts have had on their lives.
29 September 2013, 10:06 AM ET
Abraham Lincoln at Gettysburg? A forehead nose? The sex life of ancient bears? These are more are the coolest stories in Science this week.
27 September 2013, 05:12 PM ET
The latest landmark climate change report from the Intergovernmental Panel on Climate Change was released today (Sept. 27), and it states the most certainty to date of humanity's role in causing global warming and climate change.
27 September 2013, 04:01 PM ET
The Intergovernmental Panel on Climate Change released part of its latest major report on the science of global warming today (Sept. 27). As policymakers digest the latest findings, here are some responses from scientists and other experts in the field.
27 September 2013, 02:52 PM ET
The IPCC's 2013 report presents the strongest case yet that humans are responsible for the changes in the Earth's environment.
27 September 2013, 12:13 PM ET
According to models, temps and precip. will change dramatically over the next 87 years, with amounts varying per location. Worldwide land area temperatures are predicted to increase, along with areas of heavier and decreased precipitation.
27 September 2013, 11:58 AM ET
The IPCC report found that “with 95 percent certainty” at least half of the observed warming could be accounted for by human activity.
27 September 2013, 04:20 AM ET
The Intergovernmental Panel on Climate Change's latest report on the science of global warming adds more certainty to the notion that human activities are to blame for the effects of climate change since the 1950s.
27 September 2013, 01:06 AM ET
Can India and the U.S. find common ground to lead on addressing climate change?
26 September 2013, 03:32 PM ET
The Intergovernmental Panel on Climate Change (IPCC), an organization created by the United Nations to assess the state of global warming, will release part of its newest major report tomorrow (Sept. 27).
26 September 2013, 07:00 AM ET
The IPCC Fifth Assessment bolsters earlier evidence that people are warming the planet, and raises the level of alarm.
25 September 2013, 05:08 PM ET
Is there still a debate over humanity's impact on climate change?
25 September 2013, 02:48 PM ET
More than 250 scientists are gathering in Sweden this week to finalize the Intergovernmental Panel on Climate Change's latest assessment on the science of global warming. But, some experts say it's time to examine the very future of the organization.
24 September 2013, 01:41 PM ET
Here's some vital perspective on the certainty of climate change: Scientists are as sure of global warming as they are that smoking cigarettes kills.
23 September 2013, 05:19 PM ET
This week, the Intergovernmental Panel on Climate Change (IPCC), an international organization established by the United Nations to assess the risks and impacts of global warming, will release its latest big report on the science of climate change.
23 September 2013, 04:36 PM ET
As the huge effort to compile the latest Intergovernmental Panel on Climate Change (IPCC) report comes to a close this week, many researchers expect new certainty to emerge in such areas as sea level rise and global temperature increases.
21 September 2013, 10:02 AM ET
The beauty of the Northern Lights, a frozen ancient forest and a great blue hole are just a few of the amazing photos Science brought us this week.
20 September 2013, 04:40 PM ET
The Arctic icepack reached its summer low for 2013 on Sept. 13. The annual melt season shrank the polar ice cap down to 5.10 million square kilometers (2.00 million square miles). This makes 2013 the 6th lowest year on record in the past 30 years.
20 September 2013, 04:32 PM ET
The Arctic icepack reached its summer low on Sept. 13. The summer melt season shrank the ice down to 5.10 million square kilometers (2.00 million square miles), the sixth lowest on record.
20 September 2013, 03:15 PM ET
Some of the richest ecosystems on Earth are estuaries, where freshwater and saltwater collide with the tides. For the first time, scientists have discovered an estuary underneath the edge of Antarctica's massive ice sheet.
19 September 2013, 05:15 PM ET
Female scientists and leaders from more than 35 countries will descend on the small town of Suffern, N.Y., this weekend to discuss issues at the intersection of climate policy and women's empowerment.
19 September 2013, 04:55 PM ET
With 800 volunteer reviewers, the latest report from the Intergovernmental Panel on Climate Change (IPCC) was bound to leak. Here is a sneak preview of what to expect when the report is issued next week.
18 September 2013, 04:46 PM ET
More than 250 climate scientists will meet in Sweden next week to finalize part of the Intergovernmental Panel on Climate Change's latest report. Here are some frequently asked questions about the IPCC's assessments.
18 September 2013, 03:16 PM ET
Is it too late to slow climate warming?
18 September 2013, 02:22 PM ET
The Arctic icepack appears to have reached its summer low this week. The annual summer melt season shrank the polar ice cap down to 5.10 million square kilometers (2.00 million square miles) on Sept. 16, according to the National Snow & Ice Data Center
18 September 2013, 02:16 PM ET
Water from different parts of the world has different isotopes, and understanding how they move, mix, and eventually return to where they started helps scientists better understand the water cycle, changing weather patterns, and the possible effects
18 September 2013, 10:28 AM ET
Hal Harvey, CEO of Energy Innovation and Senior Fellow at The Paulson Institute, explains the incredible dangers climate change presents humanity and the surprising innovations that may be able to prevent them.
17 September 2013, 03:57 PM ET
Sea ice surrounding Antarctica hit a record high in August and is on track for another record-breaking month in September. Clocking in at a stunning 7.2 million square miles (18.7 million square kilometers), last month's sea ice extent was 4.5 percent
16 September 2013, 07:11 PM ET
NOAA research suggests global warming is already making weather worse.