Expert Witness Journal Issue 65 February 2026 - Flipbook - Page 27
Once developed, the technology will be implemented
and tested by experts at the Environment Agency and
the University of She昀케eld on the River Wharfe in
Yorkshire, home to England’s 昀椀rst inland designated
bathing site at Ilkley, which has faced water quality
challenges linked to sewage and runo昀昀.
By giving regulators and industry the means to
trace pollution to its source, this Brighton-led
collaboration could play a critical role transforming
the robustness of UK water management and
ensuring safer rivers for recreation and drinking
water for the entire population.
The tool will be developed together with partners
from the University of Bath and University of
She昀케eld, working alongside the Environment
Agency and other regional water service providers.
Dr Sarah Purnell
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Mr Mark Hinnells
Fiduciary Duty – challenges as to whether Trustees
or Directors have met their Fiduciary Duty in
considering ESG, environment or climate change in
investment decisions and risk management. Mark
has a particular interest in pensions and other funds
in multiple jurisdictions.
Climate Change Expert
PhD MSc MA BA
Dr Mark Hinnells is an Energy and Climate
Change Expert, he has over 33 years
academic and consulting experience in
energy policy, energy strategy, project
development and climate finance, and
uses this to undertake expert witness
instructions to aid arbitration, litigation, or
public inquiry.
His expertise covers:
Planning law – where the impact of a planning application on
UK climate change targets may be material. Such proposals
include airports, roads, oil and gas and power generation
proposals. Mark has particular experience with appeals and
public inquiries at airports acting both for airports and Local
Planning Authorities.
Greenwashing – assembling a case against a claim,
or defending the accuracy of claims made by,
financial institutions retailers or producers.
Challenges to Government policy – including under
the Climate Change Act, carbon budgets, policy
impact assessments, efficacy, proportionality, cost
etc
Human rights and climate change – including
where rights are claimed to have been infringed
through lack of appropriate action.
For instructions involving several different
environmental impacts he works closely with Ricardo
Energy and Environment and others.
Email: mark.hinnells@susenco.com | Telephone: 01865 600161 | Website: www.susenco.com
EXPERT WITNESS JOURNAL
25
FEBRUARY 2026
