An anti-government protester, along with others, listens to the speech of leaders during the Revolution March in Islamabad
An anti-government protester, along with others, listens to the speech of leaders during the Revolution March in Islamabad September 2, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Tahir ul-Qadri(L), Sufi cleric and leader of political party Pakistan Awami Tehreek (PAT)holds hand of Imran Khan, the Chairman of the Pakistan Tehreek-e-Insaf (PTI) political party while addressing supporters during the Revolution March in Islamabad
Tahir ul-Qadri (L), Sufi cleric and leader of political party Pakistan Awami Tehreek (PAT) holds the hand of Imran Khan, the Chairman of the Pakistan Tehreek-e-Insaf (PTI) political party while addressing supporters during the Revolution March in Islamabad September 2, 2014. Pakistan is preparing to launch a selective crackdown against anti-government protesters trying to bring down the government of Prime Minister Nawaz Sharif, the defense minister said, warning demonstrators against storming government buildings. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Anti-government protesters with sticks sit near stones at an intersection along a road during the Revolution March in Islamabad
Anti-government protesters with sticks sit near stones at an intersection along a road during the Revolution March in Islamabad September 2, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)
opposition leader of PAT Qadri addresses supporters while flanked by opposition leader Khan of PTI in Islamabad
Tahir ul-Qadri, Sufi cleric and opposition leader of political party Pakistan Awami Tehreek (PAT), addresses supporters while flanked by Imran Khan (R), chairman of the opposition Pakistan Tehreek-e-Insaf (PTI) political party, in Islamabad September 2, 2014. Khan said on Tuesday he would hold talks with conservative Islamist politician Siraj-ul-Haq, who has been trying to mediate between Khan's political party and the government since the beginning of a political crisis. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
opposition leader of PAT Qadri addresses supporters while flanked by opposition leader Khan of PTI in Islamabad
Tahir ul-Qadri, Sufi cleric and opposition leader of political party Pakistan Awami Tehreek (PAT), addresses supporters while flanked by Imran Khan (R), chairman of the opposition Pakistan Tehreek-e-Insaf (PTI) political party, in Islamabad September 2, 2014. Khan said on Tuesday he would hold talks with conservative Islamist politician Siraj-ul-Haq, who has been trying to mediate between Khan's political party and the government since the beginning of a political crisis. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
opposition leader of PAT Qadri addresses supporters while flanked by opposition leader Khan of PTI in Islamabad
Tahir ul-Qadri, Sufi cleric and opposition leader of political party Pakistan Awami Tehreek (PAT), addresses supporters while flanked by Imran Khan (R), chairman of the opposition Pakistan Tehreek-e-Insaf (PTI) political party, in Islamabad September 2, 2014. Khan said on Tuesday he would hold talks with conservative Islamist politician Siraj-ul-Haq, who has been trying to mediate between Khan's political party and the government since the beginning of a political crisis. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Opposition leader Khan of PTI addresses supporters while flanked by opposition leader of PAT Qadri in Islamabad
Imran Khan (R), chairman of the opposition Pakistan Tehreek-e-Insaf (PTI) political party, addresses supporters while flanked by Tahir ul-Qadri, Sufi cleric and opposition leader of political party Pakistan Awami Tehreek (PAT), in Islamabad September 2, 2014. Khan said on Tuesday he would hold talks with conservative Islamist politician Siraj-ul-Haq, who has been trying to mediate between Khan's political party and the government since the beginning of a political crisis. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
Opposition leader of PAT Qadri listens to opposition leader Khan of PTI in Islamabad
Tahir ul-Qadri (L), Sufi cleric and opposition leader of political party Pakistan Awami Tehreek (PAT), listens to Imran Khan, chairman of the opposition Pakistan Tehreek-e-Insaf (PTI) political party, in Islamabad September 2, 2014. Khan said on Tuesday he would hold talks with conservative Islamist politician Siraj-ul-Haq, who has been trying to mediate between Khan's political party and the government since the beginning of a political crisis. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST)
An anti-government protester wears a shirt with an imprint of Tahir ul-Qadri while standing before soldiers during the Revolution March in Islamabad
An anti-government protester wears a shirt with an imprint of Tahir ul-Qadri, a Sufi cleric and leader of the Pakistan Awami Tehreek (PAT) political party, while standing before soldiers from the Pakistan Ranger during the Revolution March in Islamabad September 2, 2014. Pakistan's parliament threw its weight behind embattled Prime Minister Nawaz Sharif on Tuesday as a deepening crisis over violent protests demanding his resignation prompted fears of an army intervention. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST MILITARY)
Preventing crises over shared water resources requires stronger foreign policy engagement
Access to fresh water contributes to conflicts around the world, but shared waters do not have to be flashpoints of conflict