Is global warming responsible for chinstrap penguin decline? A population of chinstrap penguins in Antarctica has seen a 36 percent decline since 1991, in what researchers say is a consequence of declining krill populations.  [News Source]

Mayors Vaunt Progress Against Climate Change Mayors vaunt progress against climate change, as nations fight over Rio earth summit goals [News Source]

Workshop on climate change vulnerability, organised by ILGS The Institute of Local Government Studies (ILGS) in collaboration with International Institute for Environment and Development (IIED), is holding a three-day workshop to discuss climate change vulnerability and adaptive capacity in low-income urban settlements. [News Source]

Global warming linked to penguin decline MADRID, June 19 (UPI) -- A third of a breeding colony of penguins in the Antarctic has disappeared in the last 20 years, with global warming the chief suspect, Spanish researchers say. [News Source]

Global warming is changing Arctic seas from CO2 sink to source of the greenhouse gas, new study warns Research into two seas bordering the polar region has shown they are absorbing ever smaller amounts of atmospheric CO2 and, at points of the year, even becoming a source of the gas. [News Source]

On the front line of climate change: Five cities battling floods, heat and storms Climate change has the potential to cause unprecedented damage to urban areas -- both in terms of human life and financial capital. What will cities do to cope with rising sea levels, heatwaves, droughts and more frequent and severe storms? How will they protect their populations and economies? [News Source]

The camera doesn¿t lie: Model Helena Christensen captures the effects of climate change on poorest communities Danish born model Helena Christensen has spent four years photographing the impact of climate change in some of the world's poorest communities. [News Source]

Rio+20: The world is getting too heavy finds new league table of fattest countries on Earth. Researchers estimated that the adult human population now weighs in at 287 million tonnes, 15 million of which is due to the overweight and 3.5 million due to obesity. The study says that the world’s ‘spare tyre’ is shortening lives, driving climate change and destroying the environment. [News Source]

U.N. sees natural gas a key to protecting forests, helping poor. Natural gas, including non-traditional shale gas, should play a major role in cutting greenhouse gases, protecting forests and improving the health and living standards of the world's poor, the co-head of a U.N. sustainable energy program said on Monday. [News Source]

Quakes ‘undermine carbon storage strategy’. Earthquake risk undermines underground carbon storage as a viable strategy to fight climate change, say U.S. researchers. But an Australian says the conclusions are "scientifically untenable". [News Source]

The private sector’s role in fighting climate change. In Rio de Janeiro tomorrow, the United Nations is holding a big conference on sustainable development. Yvo de Boer, who spent years as a top UN official on climate change, talks about the lack of political will to focus on climate change, and what role the private sector can play. [News Source]