More differences,or diversification, could better protect crops against climate changes that can reduce production.
VOA: special.2009.03.23
More differences could better protect crops against climate changes that can reduce production.
VOA: special.2009.01.20
Are climate changes real? If so,were human activities mainly to blame?
VOA: special.2010.01.19
This week, we will tell about a study linking activity on the sun to changes in Earth's climate.
VOA: special.2009.09.29
They also say rich countries must make financial pledges to help developing countries deal with the changes brought by climate change.
VOA: standard.2009.11.06
This is the first global conference that aims to tackle the problems that result from climate change and devise strategies to help nations adapt to these changes.
VOA: standard.2009.08.31
Climate scientists think accumulated gases are contributing to global warming and weather changes.
VOA: standard.2009.12.16
A Royal Society research team member, Jules Pretty, says the team took into account a number of changes that are expected in coming decades, such as climate change, massive rises in world population, and new consumption patterns.
VOA: standard.2009.10.21
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