And when the system fails, it is my responsibility." President Obama campaigned on a promise of "change we can believe in."

VOA: special.2010.01.23

The leaves on many of the trees have already begun to change color as they prepare to drop to the ground.

VOA: special.2009.09.21

The scientists investigated the effect of pollution and climate change on what they called the rainforests of the ocean.

VOA: special.2010.08.10

Built like a robot, this building can change, based on the conditions of the climate and city around it.

VOA: special.2010.03.31

The Global Research Alliance on Agricultural Greenhouse Gases was launched at the United Nations conference on climate change.

VOA: special.2010.01.05

The United Nations' Intergovernmental Panel on Climate Change had included that prediction in a report three years ago.

VOA: special.2010.04.27

We can change this." On September thirtieth, the United Nations Security Council approved a third resolution against sexual violence in armed conflicts.

VOA: special.2009.10.24

Almost two hundred countries met for two weeks at a United Nations conference on climate change in Copenhagen,Denmark.

VOA: special.2009.12.26

The goal of this event is to demand that lawmakers pass new legislation on climate change and clean energy in two thousand ten.

VOA: special.2010.04.21

He says Congress can only act intelligently and boldly on the issue of climate change if the American public gives it no other choice.

VOA: special.2010.04.21

That same year Mister Pachauri won a Nobel Prize for his work on climate change.

VOA: special.2010.04.27

Miz Solomon served as one of the leaders of the Intergovernmental Panel on Climate Change.

VOA: special.2009.03.13

He met with leaders on issues including trade, the world economy and climate change.

VOA: special.2009.11.21

He dedicated this climb to the effect of climate change on the Himalayan Mountains.

VOA: special.2010.06.30