Success Story: I-140 NIW Approval for an Environmental Science Expert Advancing Freshwater Protection
Client’s Testimonial:
"I am incredibly grateful for your team’s continued support, guidance, and patience throughout the entire preparation process. You are truly one of the best teams anyone could work with on their U.S. green card journey. Your team is genuinely committed to each client and their research endeavors, and you provided a uniquely personalized service by focusing closely on my educational and research background. The responsiveness, professionalism, and expertise demonstrated by your team were exceptional and made this NIW approval possible. Thank you so much for your outstanding service and unwavering support throughout this process."
On May 14th, 2026, we received another EB-2 NIW (National Interest Waiver) approval for a Postdoctoral Associate in the Field of Environmental Science (Approval Notice).
General Field: Environmental Science
Position at the Time of Case Filing: Postdoctoral Associate
Country of Origin: Sri Lanka
State of Residence at the Time of Filing: Vermont
Approval Notice Date: May 14th, 2026
Processing Time: 6 months (Premium Processing Upgrade Requested)
Case Summary:
We are pleased to share that North America Immigration Law Group secured an I-140 NIW approval for a client with a Ph.D. in environmental science and ecological engineering. The client is an expert in environmental science whose proposed endeavor focuses on developing data-driven strategies to analyze the fate, transport, and mitigation of phosphorus in agricultural soils, particularly in lake ecosystems. Through this work, the client aims to reduce nutrient runoff, improve soil health, and protect downstream water quality in vulnerable freshwater environments.
The client’s work addresses an urgent environmental and agricultural challenge. Excess phosphorus from agricultural soils can move into lakes and other freshwater systems, contributing to nutrient pollution, harmful water quality impacts, and reduced ecosystem health. In the petition, we emphasized that the client’s research provides practical scientific tools for understanding how phosphorus moves through soil and water systems and how mitigation strategies can support more sustainable agriculture and freshwater protection.
The client is currently continuing research in the United States in a role aligned with environmental science, soil health, and water quality protection. Her planned work includes evaluating how rainfall intensity affects phosphorus transport, assessing biochar-based strategies to reduce phosphorus loss, and studying soil chemistry factors that influence phosphorus movement. This helped demonstrate that the proposed endeavor has both substantial merit and national importance.
The client’s record showed a strong foundation for advancing this endeavor. She has authored 20 peer-reviewed journal articles, including 12 first-authored or co-first-authored works, along with 7 conference abstracts, 4 of them first-authored, and 3 book chapters. Her published work has received 639 citations, reflecting meaningful reliance by other researchers rather than mere publication volume. We presented these citations as evidence that peers in the field have used her findings to support and extend their own environmental science investigations.
The petition also highlighted the client’s peer-review activity. She has completed at least 8 peer reviews, which we framed as a sign that journals and editors recognized her expertise in environmental science, biochar engineering, soil chemistry, and data-driven modeling. Together, her publications, citation record, and review service helped show that she is well-positioned to continue advancing her proposed endeavor.
The petition included 2 letters of recommendation from experts in the field. These letters supported the importance of the client’s work and confirmed the relevance of her expertise to phosphorus mitigation, agricultural sustainability, and freshwater protection.
“She has already made a meaningful contribution to our institution and to her field, and I am confident that her continued presence in the United States will advance goals of significant national importance, from environmental sustainability to the cultivation of a more skilled and engaged scientific workforce.”
We also emphasized that her work responds to nationally important needs in agricultural productivity, nutrient runoff reduction, and freshwater ecosystem protection. USCIS approved the client’s I-140 NIW petition, recognizing the value of her continued contributions to the United States.