Environmental protection efforts are closely linked to addressing climate change, from reducing carbon emissions to promoting renewable energy sources.
Five years ago, he said firms investing in fossil fuels could see their value plummet as nations took steps towards clean energy to protect the climate.
The two presidents also witnessed the signing of 17 cooperation documents later on Monday, ranging from trade, finance, energy to environmental protection and cultural exchanges.
Around the country, developers, policy-makers and environmentalists are faced with the delicate task of balancing the need for clean energy with the need to protect well-loved landscapes.
You'll need the knowledge and problem-solving skills you learn in science and math to cure diseases like cancer and AIDS, and to develop new energy technologies and protect our environment.
In March the GAO reported that the Department of Energy's plans for cyber protection " do not fully address risks to the grid's distribution systems" , leaving big cities vulnerable.