The Indus Water Treaty (IWT), once considered as an example of a successful water-sharing mechanism between otherwise archrival nations (ie, India and Pakistan), is now threatened due to conflicting claims about water rights on both sides of the border and lack of trust to revise the treaty to tackle emerging and unsettled challenges of climate change, water quality, and groundwater issues.
The potential of siRNA strategy to overcome multidrug resistance in vitro was demonstrated in a number of studies [ 25, 26, 35- 39], and the success in in vivo experiments is retarded by unsettled challenges in the in vivo siRNA delivery technologies [ 40, 41].
The situation that will now confront Ms. Sweeney remains unsettled and challenging.
Asked at a news conference with Prime Minister Tony Blair how it was possible for the United States and Britain to start bringing troops home next year when the security situation in Iraq is so unsettled, Mr. Bush challenged the premise of the question and said he would rely on his military commanders to judge how many troops to deal with conditions on the ground.
"I make things complicated for myself and chaotic, so I feel unsettled, and then the challenge is to make something structured and complete emerge from that".
MiRNA target prediction is a challenging and unsettled area.
Pruitt, who has described the science on climate change as "unsettled" (it's not), has sued the EPA challenging its authority to regulate under the Clean Water Act, and over President Obama's Clean Power Plan to reduce emissions from coal-fired power plants, among other issues.
But ours is a world of severe challenges, with millions of students under fire, unsettled and unschooled due to conflict and governments globally failing to meet their funding commitments to education, especially with regard to their poorest citizens.
Most of the attention in the Deep South may be on the Republican presidential race, but some surprises could be in store for the unsettled House delegations from Alabama and Mississippi, whose members are facing primary challenges on Tuesday.
Choosing the right approach from among the offerings from VMware, Citrix, Sun, Microsoft and others –or even multiple alternatives from individual vendors is still challenging because this remains a relatively young and unsettled market, Gibson says.
But, as John Llewellyn and Russell Jones of Llewellyn Consulting remind us in their latest weekly comment: "In or out of the EU, the country is confronted by major economic challenges and the political environment is likely to remain fraught and unsettled".
